Shanghai Liangren Chemical Co., Ltd. (Simple "LR")was founded in 1987. We are a professional manufacturer and leading wholesale of metal sulface treatment chemicals, and our main products are chromium salts, nickel salts, copper salts, cobaltous salts, other salts and zinc, more products will update.

LR is BV vertified supplier .We always supply high quality products to all customers,and bulit trust business relationship with them  for a long time.We have a strict rule for the production according to ISO9001:2008 .

LR has more than 6 years international trade experience and export more 15 countries .we coopration with many leading company in china and aboard , would you like to be one of them ,want find a relibale partner, don't miss me.