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