Chongqing Shield Gear & Transmission Co., Ltd (hereafter called CQSD) was established in 2005, lying in the Beibei Zone of Chongqing city. CQSD is specilized in producing transmission gearbox and its related spare parts for the heavy-duty truck and luxurious bus in China.
　　CQSD has strong technical force, advanced technology and hundreds of equipments and inspecting instruments which ensure our products high precision and stability. On the precondition of satisfying the domestic auxiliary market, we are reinforcing the cooperation with the foreign customers, including OEM exporting, processing with supplied drawings, processing according to supplied samples. CQSD adapts a Quality Management System (QMS) in accordance to the strict ISO9001:2000 guideline and now our products have won a good reputation at home and abroad. 
　　The leading products are as follows: synchronizer, gearbox housing, gear and shaft, which are applicable to the 5S-150GP, 5S-111GP, QJ805, QJ1506, S6-90 etc. CQSD gets a rapid development in the past several years, having been one of the leading manufacturers for the heavy-duty automotive transmission in Chongqing.
CQSD devotes to persuing “ leading enterprise in the transmission industry with 100-years’ development” and insists on the principle of puting quality first and treating the customers as supremacy. CQSD wishes to sincerely cooperate with domestic and foreign customers, achieving a brilliant future together.