Zhejiang Dongzhou Automobile Gears Co.,Ltd. was established in the 1980s. It is a manufacture enterprise which specializes in producing the mechanical type automob syn-chronizer toothed ring and copper products.It has an annual productive capacity of 1.5 million pieces of the synchronizer toothed rings, 4 million tons of the copper products.It receives the production tasks from over300 domestic and overseas customers.It shares more than 70%in the National Automobile Accessories Market.On the basis of having 100odd domestic model lock unit rims,it successively developed the goods such as several kinds of the overseas auto synchro alligatoring ring etc. The produces have been exported to the foreign countries such as Pakistan,Vietnam, Malaysia, Indonesia, the Philippines and so forth. It enjoys high reputation both at home and abroad. Following the continuous expansion of our business volume,the company reinvests several million Yuan RMB to introduce various technical gif people and the ...[More]dvanced production facilities. It implements the technological transformation At present it owns the advanced devices such as several sets of CJK6136 NC lath, DC320 digital display high precision electric pulse, 160T － 300T double disk friction press and so on and a complete set of physical and chemical detecting installations.It is the first to pass the ISO9001 :2000 quality system attestation among the same trade.It also signs the long-term techn-ical consult contracts with the Local Technical Supervision Bureau. The company is summarizing experience constantly,strengthen on the foundation trained in study to the trade characteristic, paying close attention to product quality, it is tight to set up a whole set of,intact production management,quality are guaranteed ,safe production system. Adopt the special metal material to the automobile synchronizer tooth ring , cast the method in special type , special type forge the craft to process but succeeds precisely,and control the key process and special process,make the products have high strength(HRB85-100),it is wearresisting (a shelf high Test 220,000 lose efficiency),high toughness (make and draw intensity 600 MPa, surrender intensity 210 MPas) characteristic.It with estimating quality, one chi of rain of appearance and geometry Reaches the leading level.