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