Brief introduction Nanjing High Speed and Accurate Gear Co.,Ltd. is a large bone enterprise of the state machinery industry. It produces all kinds of high speed, heavy load, precision and hard flank gear boxes. It also produces crown gear couplings. The products of the company is widely used in the area of power generating, metallurgy, mining, construction material, shipbuilding, petrochemical, aviation and space, textile and paper industry, universal machinery, defense and scientific research. The area of the company is 200,000 square meters including 5,000 square meters workshop with air conditioning system. The company is equipped with 40 sets of world level machines of gear machining, case making, cutter manufacturing and inspection instruments. There are high precision gear hobbing machine from SCHIESS, gear shaping machine from KLINGENBERG and 4-meter grinding machine from HOFLER Germany, and the large bevel gear cutting maching from LUCAS USA, and a set of test instruments from MAAG Swiss, KLINGENBERY Germany, HOFLER Germany and B&K Co., Denmark. The company also imported the large gas carburizing furnace from SUMANS Co., DEGUSSA Co., German, and AICHELIN Co., AUSTRALIA, the size seperately as 4000x2000, 2800x2000, 1600x5500, 1500x4000. The maximum case depth is up to 5-6mm. There is an institute of high sped and heavy load gear. It can design and manufacture the products for the present customers and also develop new products for the future customers by means of advanced CAD and CAAP technology. The range of the manufacturing products: hardening flank gear diameter 4,000mm max precision: grade 3 Bevel gear diameter 1,200mm max precision: grade 5 Max pitch line velocity 170m/s Max rotation speed 67,000rpm Max transmission power 55,000kw Max output torque xxxxx Your oeder is warmly welcome! You will be satisfied with the service of the best quality, the reasonble price and the timely delivery by us.