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 adopts 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, synchronizer ring, casting parts, gearbox housing cover, Sliding sleeve, Clutch Body, Cone Ring, Flange, gearbox housing, gear and shaft, gasket, bearing, DOUBLE GEAR, LAYSHAFT, transmission parts, sliding pad, pressure piece, rocker, CLUTCH PLATE, INPUT SHAFT, main shaft, GEAR SHIFT FORK, WASHER, ROLLER BEARING, which are applicable to the ZF 5S-150GP,5S-111GP,S690,S580, S6-150, QJ805, QJ1506 etc. CQSD gets a rapid development in the past several years, having been one of the leading manufacturers ...[More] the heavy-duty automotive transmission in Chongqing.