GANGTAI is located at TONGYU Industrial Zone, built up in 1992, is one of emphasis coporations in CHAOYANG. Our business started with the production of machine tools and special machines for the mechanics, textile, automotive etc. industries.The company specializes in producing all kind of jewelry instruments, insteading of clients to reform machines and producing sundry jewelry. The installation of company is full-scale, possessing the whole-set jewelry instrument...