Weifang Zhongheng Chemical Co.Ltd.,started in 2006, located in Binhai Economic Development Area, Weifang City, Shandong Province with a registered fund of CNY 5 millions?is a professional manufacter of Sodium metabisulfite?flake caustic?Brominated flame retardants .Company products:Sodium Metabisulfite, Bromine flame retardant agents and other chemicals, meanwhile distribute kinds of water treatment chemicals with reasonable structure and numerous in variety.We are looking forward to cooperating with you for creating a bright future together!