G&D Auto Parts Co., Ltd. is a professional wholesaler and trading company based in Shenzhen, China, specializing in the supply of comprehensive engine systems and spare parts. Established with a focus on both OEM and aftermarket segments, the company provides a wide range of critical engine components, including cylinder heads, cylinder blocks, crankshafts, camshafts, pistons, piston rings, liners, and turbochargers. Their product portfolio also extends to fuel injection parts such as nozzles, plungers, and delivery valves, as well as complete engine units.