Our company is located in Chongqing, an old industry base in South-West of China.

We are a professional manufacture and exporter of cylinder head, crankshaft, camshaft in china, we can supply full range of engine parts, such as Cylinder Head, Assembled Cylinder Head, Cylinder Linner & Liner Kit, Cylinder Block, Engine Long Block, Engine, Crankshaft, Camshaft, Con-Rod, Gasket and Full Set, Air/Oil/Fuel Filter, Water/Oil/Fuel Pump, Piston and Piston Ring, Engine Bearing, Engine Valve, Valve Lifter, Rocker Arm Assy, Turbo Charger, Alternator, Starter, Carburetor, etc, which used on all types of JANPANESE / KOREAN / EUROPEAN / AMERICAN cars, trucks, tractors.

BONA CO. is also capable of developing new products, which are not listed in our standard program. We do this