1.Material: 17NiMo6. 2.Processing: Ultrasonic Testing, carburizing quenching, shot peening, etc. 3.Quality:finest material and process. 4.Features:corrosion resistance ,high temperature resistance,dimensional accuracy high durability and long service life. 5.ISo9001 quality control and inspection. 6.according to customer requirements, Manufacture gears, well as other shaft parts. 7.Packing:Wooden cases or according to customers needs. 8.Contact information: TEL:86-023-47856187 FAX:86-023-47859788 Chongqing Jiangjin District Xinhang Machinery Co., Ltd. Degan Industrial Park ,of Chongqing Jiangjin District ,China Warmly welcome to visit our factory!