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