Shandong Yongjin Transmission Mechanical Co., Ltd. is a holding subsidiary company of China Shipping Industry Corporation(CSIC)--Chongqing Gearbox Co., Ltd. Established in 1993, it is a professional manufacturer of rear suspension systems of medium and heavy duty\mining cars and crane, engineering plants (pins series) \ shaft-couplings and vibration-dumpers The annual production capacity of iron-casting and steel-casting reaches 50000 Tons. And it is the only after-sale service company in the Eastern area of China Shipping Industry Corporation (CSIC)--Chongqing Gearbox Co., Ltd. With an area of 4500 square meters, the Heavy-duty repair workshop is equipped with 120 Tons travelling crane, mechanical machining equipments, heating-treatment equipments, perfect inspecting equipments and testing equipments.

The company has the complete system of researching and developing, manufacturing\testing and market-selling, and passed the international Quality System Certification and International Automotive Quality Management System Certification of ISO9001: 2000\ISO/TS16949: 2009.

In recent years, the company invested more than 200 millions to reform the key spare parts\assembly lines and coating lines, and established the domestic topping, advanced and professional production lines.

At the same time of large scale of technological reforms, the company, based on improving the fundamental management, carried out the ERP (Enterprise Resource Planning) and Precision Production management, and improved the management efficiency, and the management is more scientific and standard.

Present, the company has established the stable cooperation with more an 30 famous companies at home and abroad, such as FAW\Dongfeng Commercial Vehicle\CNHTC\Shaanxi Heavy Truck\Baotou Beiben Heavy-duty Truck\JAC\CAMC\Shannxi Hande Axle\PX Axle\SANY\Tongli Heavy duty\DOOSAN, and some products are sold to Germany\Japan\Italy\Iran.

In order to meet the needs of market at home and abroad, at the end of the 12th Five-year, the company will establish a modern and large manufacturing base of rear suspension system with perfect equipments\advanced progress\leading technological level and the annual production capacity of 350 Thousands of rear suspensions. What's more, the company will supply the economical \durable and high quality products for the users. Pursuing the ideals of "People-oriented, Technology-innovation, Customers-first, Excellence-chase", the company wishes to cooperate with friends from home and abroad to create the bright future.