This is standard chain for B series with duplex.
The majoy materials of Standard Chain are SUS304, SUS310, SUS316. They possess the characteristics of high power, high wear level of resistance and long life.
We have several rows chains to your requirements.
Twin track is a professional producer of roller chain. There are two main categories: Stainless chain and carbon steel chain.
We have established a nationwide sales net duplex chain china function and the products have been sold to the countries and areas in Europe and America, Central and Southern Africa along with South-east Asia, which are very popular among customers.