Heavy Duty Roller Chain:
1.Standards: ISO /DIN /ANSI
2.International Approvals : BV /ISO /DQS /API /AAA

Heavy Duty Series Cottered Type Roller Chains:

1.Technical parameters:

2.Product

3.Certificate

Why Choose Us ?

1. Hangzhou Donghua Chain Group Co., Ltd established in 1991, we have 5 subsidiaries in china and have 6 subsidiaries abroad;
2. we covering a production area of 200,100 square meters, have more than 1,800 sets of advanced equipment and over 3,100 highly skilled employees, the annual production capacity has exceeded 20,000,000meters;
3. we specialized in producing all kinds of standard chains and special chains, such as A or B series chains, driving chains, conveyor chains, dragging chains, agricultural chains and so on;
4. we have obtained ISO9001, ISO14001, ISO16969, AAA and API certificates.

We look forward to receiving your enquires soon.