China Duofine Transmission Company Limited. is a company specializing in research, development and production of various speed reducers and variators etc. transmission and driving machinery. It is a member of China Spe-ed Reducer and Variator Industrial Association. Since our establishment, we have insisted on science and technology innovation, researching and introd-ucing advanced technology, as well as continuously developing new products to meet the market requirem-ent. The main products including R series parallel-axis helical-bevel gearboxes.Kseries parallel-axis spiral ***** series parallel-axis spiral gear reducers.S series helical-worm geared ***** series screw umbrella gear transmission boxes.WB cycloidal micro-reducers.X, B series cycloidal ***** series worm-gear ***** series non-stage *****-NMRV combination series *****-(R, S, K, F, X) series combination ***** series closed geared motors.HB series big power helical-bevel gear boxes.P series big power planetary gear reducers.Z series helical-bevel gearboxes.Y series motors.and The multifunction polyhedron hard teethface combination reducer, etc. more than ten series products totaling thousands of specifications. We can also provide special purpose products. The products have serialized and modularized advantages, and have been widely used in the transmission and driving fields for all types of ind-ustries. Such as food packing, bear, beverage, environmental protection, metallurgy, storage transporta-tion, crane, conveyer, tobacco light industry, solid packing, rubber and plastic industry and so on.� Our company has internationally and domestically advanced gear grinders, machining center and gear ins-pection center, as well as universal tool microscope etc. testing and machining equipment. We have an annu-al production capacity of 100, 000 sets of reducers. Aimed at " creative development , hard innovation , quality first and highest reputation , " our company always supplies credible products to customers . We manufacture according to the ISO9001 : 2000 quality control system and in 1999 , we passed quality system certificate . The products have been widely used all over China and exported to Europe, America, HongKong, Taiwan, South America and Southeast Asia etc. Our company was located at the development zone for high and new technological industry, Luolong area, Luoyang city, Henan province, China. we can provide on time and great service to our customer with the support from our sale branch around China, such as Beijing, Tian-jian, Shanghai, Foshan, Wuxi, Ningbo, Wuhan, Qingdao, Zibo, Chengdu, Changsha, Chongqing and so on.