Dayu
chemical is a comprehensive chemical raw materials manufacturer in China, we
are one of the best CS powder suppliers in China.
The
main product is CS powder, CS powder is the short form for Ortho-chlorophenylmethylene
propylenitrile, dayu chemical is a CS powder supply factory with many year
experience. We are the best CS powder supplies adopted the advanced technology
to produce high purity cs powder for sale.