G.T. INTERNATIONAL CO.,LTD located in Guiyang southwest of China, is an exporter in charge of exporting products for several steel works and chemical factories. Our main products include: steel products. alloy steel bar、seamless steel tube and welded steel tube、angle steel and H-shape steel、 steel bolt and steel nut、hollow drill steel and rock drilling tools、chemical product and melting steel raw material,Our brand-“SANDCO” has good reputation for rock drilling tools in Chinese and Indian market.