Tag Archives: Pitch For Chain

Best made in China – replacement parts – pintle Chain & sprocket manufacturer : Conveyor for replacement of Diamond roller chain price list 2019 China in Donetsk Ukraine Chain Attachments Double Pitch with ce certificate top quality low price

Best  made in China - replacement parts - pintle Chain & sprocket manufacturer : Conveyor  for replacement of Diamond roller chain price list 2019 China in Donetsk Ukraine  Chain Attachments Double Pitch with ce certificate top quality low price

We – EPG Group the most significant Chain and agricultural gearbox manufacturing facility in China with 5 different branches. For more information: Cellular/whatsapp/telegram/Kakao us at: 0086-13083988828

Our goods are used in a lot of fields.Common Far more importantly, we make specific elements according to provided drawings/samples and warmly welcome OEM inquiries. strands have an even number of pitches, pin back links, and roller backlinks. A roller chain strand can be shortened by removing backlinks and lengthened by adding complete or a 50 % back links (offset links). engineering class chains & precision roller chains. One strand chain, multi-strand chains, double pitch chains, corrosion resistant chains, self-lubricating chains, attachment chains, leaf chains, and specialty chains.
StHangZhourd or NonstHangZhourd: StHangZhourd
Variety:  EPT Roller Chain
Material: Alloy
Spot of Origin: ZHangZhoug, China (Mainland)
Brand name Identify: BS&DJ
Product Number: c2062-a1
color: blue, black, yellow, natural

 

The use of original tools manufacturer’s (OEM) portion figures or logos , e.g. CASE® and John Deere® are for reference purposes only and for indicating solution use and compatibility. Our company and the shown substitute areas contained herein are not sponsored, approved, or made by the OEM.

Best  made in China - replacement parts - pintle Chain & sprocket manufacturer : Conveyor  for replacement of Diamond roller chain price list 2019 China in Donetsk Ukraine  Chain Attachments Double Pitch with ce certificate top quality low price

Best  made in China - replacement parts - pintle Chain & sprocket manufacturer : Conveyor  for replacement of Diamond roller chain price list 2019 China in Donetsk Ukraine  Chain Attachments Double Pitch with ce certificate top quality low price

Best  made in China - replacement parts - pintle Chain & sprocket manufacturer : Conveyor  for replacement of Diamond roller chain price list 2019 China in Donetsk Ukraine  Chain Attachments Double Pitch with ce certificate top quality low price

Best  made in China - replacement parts - pintle Chain & sprocket manufacturer : Conveyor  for replacement of Diamond roller chain price list 2019 China in Donetsk Ukraine  Chain Attachments Double Pitch with ce certificate top quality low price

China Chain and sprocket factory : Heavy drive chain pdf in Singapore Singapore Duty Big Pitch Offset Link Conveyor Chain for Heavy Duty with ce certificate top quality low price

China Chain and sprocket factory : Heavy drive chain pdf  in Singapore Singapore  Duty Big Pitch Offset Link Conveyor Chain for Heavy Duty with ce certificate top quality low price

We – EPG Group the biggest Chain and agricultural gearbox manufacturing unit in China with 5 different branches. For a lot more details: Mobile/whatsapp/telegram/Kakao us at: 0086-13083988828

We are seeking forward to establishing effective enterprise associations with new customers around the planet in the potential.We With numerous years’ knowledge in this line, we will be dependable by our benefits in aggressive cost, a single-time supply, prompt reaction, on-hand engineering support and very good after-revenue providers.Additionally, all our manufacturing procedures are in compliance with ISO9001 specifications. search ahead to the possibility to serve you and hope to insert you to our expanding household of satisfied buyers. industrial parts which includes roller chains. Roller chains are obtainable in normal, nickel plated & stainless steel materials in pitch dia. ranging from 1/4 in. to 3 in. Varieties contain leaf chains in lacing configurations ranging from 2 x 2 to 8 x 8. Leaf chains are offered in pitch measurements ranging from 1/2 in. to 2 in., pin dia. ranging from .156 in. to .687 in. & tensile strengths ranging from 4,000 lbs. to 156,000 lbs. Applications incorporate agricultural, conveyors, drilling, electronics assembly, food processing, fork elevate trucks, hoists, packaging & textile equipment. Engnieering chain and EPT Roller chain
The engineering chain and conveyor chains shown on this website page are developed by Xihu (West Lake) Dis.wu, a morden conveyor chain manufacturer dependent in China, these products are especially developed for automated logistics tools , material dealing with products, engineering cars, and much more.  We create chains in accordance to your personalized specifications.
 

Chain Type  Welded chain,                      Roller chain,                         
Hollow pin chain ,               Drawbench chain,                   
Leaf chain,                          EPT chain,               
Paver chain,                       Bucket elevator chain,       
Skid chain,                         Sugar mill chain,                    
Double flex chain,              Sharp best chain,                  
 Forged chain,                   Ca EPT chain ,                  
FV/FVC/FVT series chain,    Scraper chain                      
M/MVT/MC serise chain,                                        
Z/ZC serise chain,                                            
stainless metal chain ,               
Sprocket
Content  carbon steel or Alloy with warmth treatment /stainless steel                                                                                               (by means of harden/case  harden/induction harden)
Surface Shot Peening                                                                            Zinc-plated                       
Dacromet                           Blacking                                                     
Lubricating ,cost-free of rust
Quality inspection Inspect size precision and Hardness,                                    
Pre-stretching soon after assembling,
Package Polybag+plywood scenario
Software Sugar mill,cement mil,l metallurgy industry,              Auto: +86~13083988828 industry,grain equipment.mining machine  and so on

EPT gives high top quality precision roller chains for transport and driving purposes.  

These precision roller chains are employed in all sorts of industrial purposes with various degrees of rigidity and different surroundings elements.
By way of constant innovation we ever more succeed in locating sufficient options for various degrees of tension and for all kinds of environmental elements. 

The roller chains are made of high quality types of steel, and are then subjected to numerous content treatments just before assembling. 

Measurements meet DIN / ISO / ANSI stHangZhourds.

Roller chain European stHangZhourd in accordance to DIN 8187

The complete range of our chain programme contains:

• StHangZhourd DIN / ISO / ANSI roller chains
• StHangZhourd DIN / ISO / ANSI roller chains heavy collection
• Steel edition / Stainless Metal / galvanized / nickel-plated / high corrosion resistant
• StHangZhourd attachments / tailored attachments
• Side Bow roller chains
• Hollow pin roller chains
• Accumulation chains
• Maintenance free of charge roller chains (self lubricating roller chain)
• Oilfield chains
• Navy diesel chains 

Offered in the pursuing variations:

• Steel
• Stainless metal
• Galvanized steel
• Nickel-plated steel
• H.C.R. Substantial Corrosian Resistance

Prospects:
• with attachments
• with prolonged pins
• customized

Obtainable with stHangZhourd attachments:

• Roller chain with attachments vertical type according to vertical attachments according to DIN / ISO stHangZhourd
• Roller chain with attachments bent type in accordance to DIN / ISO stHangZhourd
• Roller chain with extended duplex or triplex chain pin

For far more than 20 several years, we have focused on personalized chains.

For a lot more than twenty many years, We have carried out hundreds of diverse varieties of industrial chains.

So we have a wealth of personalized chain knowledge.

Below are some of the types of the chains.

Why Decide on DCC? 
1. EPT chain transmission production co.,Ltd is a expert manufacture of chains,and is the member unit of China National specialized committee for stHangZhourdization for china transmission,

two. We occupied an location above one hundred thousand sqm,owned stHangZhourd workshops over thirty hundreds sqm and above 300sets of skilled equipments to produce chains in huge-scale as effectively as full inspection and te EPT units.

three. We passed through the authentications of ISO9001:2000 international high quality system and ISO14001 environmental management technique .

4. We have seventy five% of products which are exported to Europe,The us,Japan , Southea EPT Asia ,and so on,

five. Far more than 10years factory experience  ,Practically all the elements are produced by our personal manufacturing unit,therefor we can management the co EPT and top quality.

 

The use of unique tools manufacturer’s (OEM) part figures or trademarks , e.g. CASE® and John Deere® are for reference needs only and for indicating product use and compatibility. Our firm and the shown replacement areas contained herein are not sponsored, accredited, or manufactured by the OEM.

China Chain and sprocket factory : Heavy drive chain pdf  in Singapore Singapore  Duty Big Pitch Offset Link Conveyor Chain for Heavy Duty with ce certificate top quality low price

China Chain and sprocket factory : Heavy drive chain pdf  in Singapore Singapore  Duty Big Pitch Offset Link Conveyor Chain for Heavy Duty with ce certificate top quality low price

China Chain and sprocket factory : Heavy drive chain pdf  in Singapore Singapore  Duty Big Pitch Offset Link Conveyor Chain for Heavy Duty with ce certificate top quality low price

China Chain and sprocket factory : Heavy drive chain pdf  in Singapore Singapore  Duty Big Pitch Offset Link Conveyor Chain for Heavy Duty with ce certificate top quality low price

Best made in China – replacement parts – Chain & sprocket manufacturer : Industrial double pitch attachment chain China in Ludhiana India Chrome Plated Carrier Conveyor Roller Chain for Sugarcane with ce certificate top quality low price

Best  made in China - replacement parts - Chain & sprocket manufacturer : Industrial double pitch attachment chain China in Ludhiana India  Chrome Plated Carrier Conveyor Roller Chain for Sugarcane with ce certificate top quality low price

We – EPG Group the biggest Chain and agricultural gearbox factory in China with 5 different branches. For much more details: Cell/whatsapp/telegram/Kakao us at: 0086-13083988828

Furthermore, WE CAN Produce Tailored VARIATORS, GEARED MOTORS, Electric MOTORS AND OTHER HYDRAULIC Products According TO CUSTOMERS’ DRAWINGS.ISO our merchandise are promoting well in the American, European, South American and Asian marketplaces. a specialized supplier of a entire selection of chains, sprockets, gears, gear racks, V-belts, couplings and reducers, pto shaft, agricultural gearboxes….9001, ISO/TS 16949 and AS9100 accredited. Maker of common and custom made roller chains for use in a vast selection of programs. Roller chains are obtainable in one-pitch, double-pitch and precision types. Satisfies or exceed ANSI standards. Firstly: innovative item engineering. We are continuously strengthening properly-established and recognized items in the areas of push and conveyance technology or are searching for feasible innovations. One illustration for this is the maintenance-free chain. Next: excellent creation engineering. Our generation procedures are also continually improved upon. Very regularly efficient, new goods are only feasible simply because of progressive generation methods. Thirdly: competent software consulting.
Industrial Chrome Plated Carrier EPT Roller Chain for Sugarcane
 

Materia EPT Available one. Stainless Steel: SS304, SS316, and so forth
two. Alloy Metal: 45Mn, 42CrMo, etc
3. OEM according to your ask for
Floor Treatment Shot peening, Polishing, Oxygenation, Blackening, Zinc-plated, Nickel-plated, Anodized, and so forth.
Attribute Fireplace Resistant, Oil Resistant,  Heat Resistant
Software Cargo conveyor
Layout criterion ISO DIN ANSI & Customer’s Drawing
Dimensions Customer’s Drawing & ISO stHangZhourd 
Bundle Wood Situation / Container and pallet, or made-to-order
Certification ISO9001: 2008 
Benefit Fir EPT high quality, Be EPT services, Competitive price tag, Fa EPT delivery
Supply Time 20 days for samples. 45 days for official order

We offer various kinds of Chains, any fascinating you should get in touch with.

 

The use of original equipment manufacturer’s (OEM) portion numbers or trademarks , e.g. CASE® and John Deere® are for reference reasons only and for indicating merchandise use and compatibility. Our organization and the detailed substitution elements contained herein are not sponsored, approved, or produced by the OEM.

Best  made in China - replacement parts - Chain & sprocket manufacturer : Industrial double pitch attachment chain China in Ludhiana India  Chrome Plated Carrier Conveyor Roller Chain for Sugarcane with ce certificate top quality low price

Best  made in China - replacement parts - Chain & sprocket manufacturer : Industrial double pitch attachment chain China in Ludhiana India  Chrome Plated Carrier Conveyor Roller Chain for Sugarcane with ce certificate top quality low price

Best  made in China - replacement parts - Chain & sprocket manufacturer : Industrial double pitch attachment chain China in Ludhiana India  Chrome Plated Carrier Conveyor Roller Chain for Sugarcane with ce certificate top quality low price

Best  made in China - replacement parts - Chain & sprocket manufacturer : Industrial double pitch attachment chain China in Ludhiana India  Chrome Plated Carrier Conveyor Roller Chain for Sugarcane with ce certificate top quality low price

Leaf made in China – replacement parts – 12b chain pitch China in Pietermaritzburg South Africa Chains for Constructed as Plate Chains with ce certificate top quality low price

Leaf  made in China - replacement parts - 12b chain pitch China in Pietermaritzburg South Africa  Chains for Constructed as Plate Chains with ce certificate top quality low price

We – EPG Team the biggest Chain and agricultural gearbox factory in China with 5 various branches. For much more specifics: Cell/whatsapp/telegram/Kakao us at: 0086-13083988828

Moreover, all our creation processes are in compliance with ISO9002 expectations for a specialized provider of a full assortment of chains, sprockets, gears, gear racks, V-belts, couplings and reducers, pto shaft, agricultural gearboxes….First of all: Our solution range involves all sorts of helical equipment, spur equipment, bevel gear, equipment rack, worm equipment, sprockets,chains, bearings, pto shaft, agricultural gearboxes.progressive product engineering. We are constantly bettering properly-established and established goods in the areas of drive and conveyance technological innovation or are searching for achievable innovations. A single case in point for this is the upkeep-free of charge chain. Secondly: superb manufacturing engineering. Our generation processes are also continuously improved upon. Very often efficient, new products are only feasible since of innovative manufacturing strategies. Thirdly: capable application consulting. EPG main company and provider of ball bearings and energy transmission products. Since it’s beginning in 1992, EPG has developed into a single of the leading suppliers in the business. Important variables that have contributed to our expansion is our determination to the fundamentals of innovative layout, competitive pricing, exceptional client services, and product availability.

Leaf Chain

EPT provides good quality, dependable leaf chain goods that carry out regularly underneath the harshe EPT situations. With more than 110 several years of expertise, Rexnord can style and manufacture almo EPT any leaf chain resolution for Energy Transmission issues. We provide leaf chain for apps in automotive, food and beverage, mining and meta EPT and development industries. Our chains stand up to these environments with a long time of problems-totally free performance.

Engnieering chain and EPT Roller chain

The engineering chain and conveyor chains detailed on this page are created by Xihu (West Lake) Dis.wu, a morden conveyor chain producer based mostly in China, these goods are specially developed for automatic logistics tools , content dealing with tools, engineering automobiles, and far more.  We create chains according to your customized requirements.
 

Chain Type  Welded chain,                      Roller chain,                         
Hollow pin chain ,               Drawbench chain,                   
Leaf chain,                          EPT chain,               
Paver chain,                       Bucket elevator chain,       
Skid chain,                         Sugar mill chain,                    
Double flex chain,              Sharp leading chain,                  
 Forged chain,                   Ca EPT chain ,                  
FV/FVC/FVT series chain,    Scraper chain                      
M/MVT/MC serise chain,                                        
Z/ZC serise chain,                                            
stainless steel chain ,               
Sprocket
Content  carbon steel or Alloy with warmth treatment /stainless metal                                                                                               (through harden/case  harden/induction harden)
Floor Shot Peening                                                                            Zinc-plated                       
Dacromet                           Blacking                                                     
Lubricating ,totally free of rust
Quality inspection Inspect length precision and Hardness,                                    
Pre-stretching after assembling,
Package Polybag+plywood scenario
Application Sugar mill,cement mil,l metallurgy sector,              Vehicle: +86~13083988828 business,grain device.mining machine  and so on

For far more than twenty many years, we have targeted on the custom made chains.

For much more than 20 a long time, We have accomplished hundreds of distinct sorts of industrial chains.

So we have a prosperity of personalized chain encounter.

Here are some of the kinds of the chains.

EPT delivers higher high quality precision roller chains for transport and driving reasons.  

These precision roller chains are used in all kinds of industrial purposes with numerous degrees of stress and numerous surroundings aspects.
Through constant innovation we increasingly be successful in finding ample answers for a variety of degrees of stress and for all varieties of environmental aspects. 

The roller chains are produced of substantial top quality varieties of metal, and are then subjected to different content treatment options just before assembling. 

Measurements meet DIN / ISO / ANSI stHangZhourds.

Roller chain European stHangZhourd according to DIN 8187

The entire range of our chain programme consists of:

• StHangZhourd DIN / ISO / ANSI roller chains
• StHangZhourd DIN / ISO / ANSI roller chains large sequence
• Steel variation / Stainless Steel / galvanized / nickel-plated / large corrosion resistant
• StHangZhourd attachments / personalized attachments
• Side Bow roller chains
• Hollow pin roller chains
• Accumulation chains
• Routine maintenance cost-free roller chains (self lubricating roller chain)
• Oilfield chains
• Navy diesel chains 

Offered in the pursuing versions:

• Steel
• Stainless metal
• Galvanized metal
• Nickel-plated metal
• H.C.R. High Corrosian Resistance

Prospects:
• with attachments
• with extended pins
• customized

Offered with stHangZhourd attachments:

• Roller chain with attachments vertical type according to vertical attachments according to DIN / ISO stHangZhourd
• Roller chain with attachments bent kind in accordance to DIN / ISO stHangZhourd
• Roller chain with extended duplex or triplex chain pin

Why Choose DCC? 
one. EPT chain transmission production co.,Ltd is a skilled manufacture of chains,and is the member device of China Nationwide technical committee for stHangZhourdization for china transmission,

2. We occupied an area above 100 thousand sqm,owned stHangZhourd workshops over 30 countless numbers sqm and more than 300sets of skilled equipments to produce chains in massive-scale as nicely as full inspection and te EPT gadgets.

three. We passed through the authentications of ISO9001:2000 intercontinental good quality method and ISO14001 environmental management technique .

4. We have seventy five% of items which are exported to Europe,America,Japan , Southea EPT Asia ,and so on,

5. Much more than 10years factory experience  ,Virtually all the elements are produced by our own manufacturing unit,therefor we can management the co EPT and high quality.

 

The use of authentic products manufacturer’s (OEM) portion quantities or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating merchandise use and compatibility. Our business and the outlined substitute areas contained herein are not sponsored, authorized, or manufactured by the OEM.

Leaf  made in China - replacement parts - 12b chain pitch China in Pietermaritzburg South Africa  Chains for Constructed as Plate Chains with ce certificate top quality low price

Leaf  made in China - replacement parts - 12b chain pitch China in Pietermaritzburg South Africa  Chains for Constructed as Plate Chains with ce certificate top quality low price

Leaf  made in China - replacement parts - 12b chain pitch China in Pietermaritzburg South Africa  Chains for Constructed as Plate Chains with ce certificate top quality low price

Leaf  made in China - replacement parts - 12b chain pitch China in Pietermaritzburg South Africa  Chains for Constructed as Plate Chains with ce certificate top quality low price

a made in China – replacement parts – for replacement of tsubaki roller chain maintenance China in Djibouti Djibouti Series Shot Pitch Industry Roll Conveyor Chain with ce certificate top quality low price

a  made in China - replacement parts -  for replacement of tsubaki roller chain maintenance China in Djibouti Djibouti  Series Shot Pitch Industry Roll Conveyor Chain with ce certificate top quality low price

We – EPG Team the most significant Chain and agricultural gearbox factory in China with 5 diverse branches. For a lot more details: Cell/whatsapp/telegram/Kakao us at: 0086-13083988828

Maintaining in mind that good provider is the important to cooperating with customers, we try to meet higher top quality standards, offer you aggressive rates and ensure prompt supply. The Our products are used in many fields.ongoing enlargement of our ball bearings, mounted units and energy transmission product strains, along with our interest to detail and high quality, has authorized EPG to acquire broad acceptance to a assorted customer base. ISO 9001:2015 licensed producer and distributor of roller chains. Varieties of roller chains contain ASME/ANSI regular chains, attachment chains, corrosion resistant chains, lube-free chains, plastic chains, free-flow chains, specialty chains and British regular chains. ASME/ANSI standard chains are accessible in massive and little pitch, double pitch and leaf types. Roller chains are utilized in foods packaging, forklift trucks, oilfield drilling, motorcycles, conveyors and power transfer purposes. chain:32A-1,36A-1,40A-1,48A-1
Material :carbon steel heat treatment
surface:shot peening and oiling before packing,free of rust
high quality inspection:examine duration precision and hardness, pre-stretching soon after assembling,
package deal:polybag+plywood situation

 

Chain no. Pitch P1(mm) Diameter of roller d1(mm) Diameter of pin d2(mm) Inner width of inner link b1(mm) Length of pin L(mm) Data of sidebar Tensile toughness Q(KN)
h(mm) h1(mm) h2(mm) T
M-A1 seven hundred 245 seventy eight one hundred fifty five 355 340 103 217.five 38 5400
 

 

Chain no. Pitch P1(mm) Inner width of internal link b1(mm) Diameter of roller d1(mm) Diameter of pin d2(mm) Data of sidebar Tensile strength Q(KN)
h(mm) h1(mm) h2(mm) L(mm) T(mm)
JL60300 300 sixty 125 28 154.5 45 92 137 twelve 588
JL60400 four hundred 60 125 28 154.five 45 92 137 12 588
JL60500 500 60 a hundred twenty five 28 154.5 forty five 92 137 12 588
JL90300 three hundred 62 135 thirty 177.five fifty six one hundred ten 156 16 882
JL90400 400 62 135 thirty 177.five 56 one hundred ten 156 sixteen 882
JL90500 500 62 a hundred thirty five thirty 177.5 fifty six one hundred ten 156 sixteen 882
JL90300W 300 seventy eight 135 30 177.five 56 one hundred ten 172 16 882
JL90400W 400 seventy eight a hundred thirty five thirty 177.five 56 one hundred ten 172 sixteen 882
JL90500W five hundred 78 135 30 177.five 56 110 172 16 882
JL130300 300 76 a hundred and fifty 38.five 188 sixty three 113 187 sixteen 1274
JL130400 400 seventy six one hundred fifty 38.5 188 63 113 187 16 1274
JL130500 five hundred 76 one hundred fifty 38.5 188 63 113 187 sixteen 1274
JL130600 600 seventy six a hundred and fifty 38.5 188 63 113 187 sixteen 1274
JL160400 400 eighty five a hundred seventy five forty one.five 221.five 75 134 198 119 1569
JL160500 five hundred eighty five a hundred seventy five forty one.5 221.5 75 134 198 19 1569
JL160600 600 eighty five a hundred seventy five forty one.5 221.five seventy five 134 198 19 1569

For much more than twenty a long time, we have focused on customized chains.

For a lot more than 20 a long time, We have done hundreds of different types of industrial chains.

So we have a wealth of personalized chain experience.

Below are some of the kinds of the chains.

 
Why Choose DCC?

one. EPT chain transmission manufacturing co.,Ltd is a skilled manufacture of chains,and is the member unit of China Countrywide specialized committee for stHangZhourdization for china transmission,
two.we occupied an spot above 100 thousand sqm,owned stHangZhourd workshops above 30 1000’s sqm and in excess of 300sets of professional equipments to produce chains in big-scale as well as full inspection and te EPT gadgets.
3.we handed by way of the authentications of ISO9001:2000 international quality method and ISO14001 environmental administration program .
four,we have seventy five% of goods which are exported to Europe,The usa,Japan , Southea EPT Asia ,and so on,
5.12years manufacturing facility encounter ,Virtually all the parts are developed by our own factory,therefor we can handle the co EPT and quality.

Select DCC,you choosed Substantial top quality , competitive value,ideal service,

If you need to have more information about this chain,you should ship electronic mail to us any time ,

Wiish we will encourage company as properly as friendship!

 

The use of original equipment manufacturer’s (OEM) component quantities or emblems , e.g. CASE® and John Deere® are for reference purposes only and for indicating merchandise use and compatibility. Our company and the outlined substitution elements contained herein are not sponsored, accredited, or manufactured by the OEM.

a  made in China - replacement parts -  for replacement of tsubaki roller chain maintenance China in Djibouti Djibouti  Series Shot Pitch Industry Roll Conveyor Chain with ce certificate top quality low price

a  made in China - replacement parts -  for replacement of tsubaki roller chain maintenance China in Djibouti Djibouti  Series Shot Pitch Industry Roll Conveyor Chain with ce certificate top quality low price

a  made in China - replacement parts -  for replacement of tsubaki roller chain maintenance China in Djibouti Djibouti  Series Shot Pitch Industry Roll Conveyor Chain with ce certificate top quality low price

a  made in China - replacement parts -  for replacement of tsubaki roller chain maintenance China in Djibouti Djibouti  Series Shot Pitch Industry Roll Conveyor Chain with ce certificate top quality low price