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QJ High Quality Short Pitch Carbon Steel Standard Roller Chain 35 06C
1)Raw materials↓ |
metallic structure inspection |
hardness inspection |
2)Manufacture process of chain parts ↓ |
polishing |
shot blasting |
deburrs |
bending |
calibrate |
shave hole |
rolling folding |
sizing |
oiling |
3)Heat treatment ↓ |
bluing |
yellowing |
phosphatizing |
washing |
cooling |
hardness inspection |
metallic structure inspection |
4)Assembling↓ |
running in |
pre-stretch |
high speed running in test |
endurance testing of chain |
5)Packing↓ |
high temperature greasing |
cooling |
put in polybag,box,carton etc. |




1. Any of your kind inquiry of chains would be replied within 24 hours.
2. Well-trained and experienced sales staffs will reply all your concerns in fluent English.
3. OEM services are available with us, our professional designer would make your private idea into being.
4. Protection of your sales area, ideas of design and all your private information.
5. Delivery by air mail or ship for your orders.
Hangzhou Qianjiang Chain Industries Co., Ltd founded in 1988, is a professional manufacturer of industry transmission chains,motorcycle chains,conveyor chains,dust and water proof sealed chains and some special chains,is also the earliest manufacturer that developed and produced O-ring and X-ring sealed chains. In 2001,Qianjiang's sealed chains were awared "outstanding new products of national chain industry " and "special award". Qianjiang has three famous brands: YF , QJ and HQL.More than 60% of his products exported to oversea markets.The products completely conform to the ISO, ANSI, BS, DIN, JIS international standards and the national industry standards. Qianjiang has set up a complete set of quality management system which is provided with advanced inspection and test equipment.Since 2001,Qianjiang has been successfully certified by ISO9001 Quality Management System,SGS inspection and BV inspection.


1. who are we?
We are based in Zhejiang, China, start from 1996,sell to Domestic Market(46.00%),North America(28.00%),South America(5.00%),Eastern Europe(5.00%),Mid East(4.00%),Southeast Asia(3.00%),Western Europe(3.00%),Southern Europe(2.00%),Eastern Asia(00.00%),Central America(00.00%),Northern Europe(00.00%),South Asia(00.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Chains(used in Car,Motorcycle,Industrial Equipments,Parking Lot,Agricultural Machinery )
4. why should you buy from us not from other suppliers?
Because we are a professional factory.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW;
Accepted Payment Currency:USD,EUR;
Accepted Payment Type: T/T,L/C,PayPal,Western Union,Cash,Escrow;
Language Spoken:English,Chinese
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