Located in the coastal city of Qingdao, Qingdao Jianxin Ring Gear Co., Ltd. enjoys convenient transportation and good geographic condition. We has long history working experience and develop reasearch, was established in 1980 and covers an area of 4000 square meters. There are more than 100 workers and 15 technicians.Our annual sales value is 10 million RMB. Our company is the subsidiary manufacturer of Weichai Power Group. We specialize in producing ring gears, gearbox parts, transmission gear and other spare processing parts.Our products can match gear wheel requirements of various engine enterprises at home and abroad. Since 2003,We have passed the evaluation of ISO/TS16949:2002 certification.We also have the ability of mapping and manufacturing flywheel ring gears for different vehicles. Our products sell well in America, Europe and Southeast Asia.. Adhering to the tenet of first quality, careful processing, sincere service and try to provide more than expectation of clients' demands, we hope to establish good relationships with all users and create another business peak together.