founded in 1998, zhejiang transfar whyyon chemical co., ltd. is a fine chemicals company co-founded by transfar chemical group ., ltd. and shenyang chemical research institute and is one of the subsidiaries in transfar’s chemical sector. the company focuses on plastic chemicals and paper chemicals business and is the biggest optical brightening agent manufacturer in china. also famous as one of the biggest pvc stabilizer manufacturer. transfar whyyon has been specialize in plastic chemicals and paper chemicals business more than 17 years ,with annual revenue above 800,000,000 rmb. by actively opening the domestic and international market ,we have built a complete national market and extended the network to southeast asia, america,europe and other countries and regions.