产品介绍
That is 
standard chain for B duplex chain series with duplex.
The majoy materials of Standard Chain are SUS304, SUS310, SUS316. They possess the features of high strength, 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 steel chain and carbon metal chain.
We have established a nationwide product sales net function and the products have already been sold to the countries and areas in Europe and America, Central and South Africa and also South-east Asia, which are quite popular among customers.
