That is standard chain for B series with duplex.
The majoy material of Standard Chain are SUS304, SUS310, SUS316. They have the characteristics of high strength, high wear resistance and long life.
We’ve several rows chains to your requirements.
Twin monitor is a professional manufacturer of roller chain. There are two main duplex chain china categories: Stainless chain and carbon steel chain.
We have established a nationwide sales net work and the products have been sold to the countries and regions in European countries and America, Central and South Africa as well as South-east Asia, which are quite popular among customers.