We are the professional steel wire, ateel strand and spring flat steel manufacturer in Tianjin, where is one of the biggest production base for steel in China.Our factory covers 260 thousand square....
We are a mineral and chemical products supplier company located in TianJin . we deal followes Non-Metallic Minerals & Chemical Products : Oil Drilling Mud Chemicals 1 Xanthan Gum 2 API 13A....