API Oil tubing & casing internal and external threading machining Turning Tool The company founded in 1956,has more than 500 employees. With strong technical ability, we can supply you different kinds of quality products, particularly in API Oil tubing & casing threading inserts R&D,quality in the same level with Sweden & USA brands. We also have other carbide tools,such as Indexable Carbide Threading inserts, HSS chasers, CBN and PCD inserts, Ceramic Inserts, Bar Peeling Inserts, Wheel Re-turning Inserts for railways, Carbide Scarfing Inserts for Weld Beads, Carbide Inserts for Bearing Industry, Tool Holders, Special Heavy Milling Inserts, as well as QPQ Salt-bath Treatment Furnaces. The above products have been well received by our customers from at home and abroad. We provide OEM & ODM service. Please feel free to contact us for further information.