Shanghai Gogoal Industry co . Ltd ,is a company specialized in Tungsten Carbide products ,Such as Tungsten Carbide shaft , Inserts, and drilling bits ect.Gogoal have a technical team formed by engineers who has been engaged in Tungsten Carbide Industry more than twenty years . And we have the professional testing center to assay ..
Head office in shanghai: Room 3005-06,
Shengming Renshou Building, No 707 Zhangyang Rd,