SHIELD is the authorized manufacturer of the gearbox and all other related spare parts. ZF gearbox and its related spare parts are widely used in the luxurious heavy truck and coach production such as the HOWO, SINOTRUK, STEYR, GOLDEN PRINCE and HOKA series. SHIELD has adapted a Quality Management System in accordance to the strict ISO9001: 2000 guideline, besides the Gearbox - Synchronizer, Shaft, Gear and others truck parts of S6-90, QJ805, 5S-111GP(A) 5S-150GP, we also supply others related truck parts. Attribute to our advanced R&D center, we have obtained strong supply ability and the capability for the product processing just according to our customers' requests. The quality of the proudcts and the credit of our company is exactly what we all care most. You may also visit our online company introduction which includes our latest product line. If you have any interest in these items or in the automobile spare parts, please let us know. We will be happy to give you a quotation upon receipt of your detailed requirements. If you have any further question, please just feel free to contact me. Hope for a long-term business relationship!