These are standard stainless steel roller chains.
There are the single roller chain, duplex roller chain and triplex roller chain, of course, we can do according your requirement.
These chains are used in so many industry, such as machinery mandufacturre, food manufacture, Pharmaceutical chemicals, and so on.
All the chain assembly technique indexes conform to the standards of ISO9001: 2008 and GB/T19001-2000idt.
We have lots of standards: GB/T, DIN, ANSI, ISO, BS, JS
Waiting for your inqury.