Main products :all kinds of inserted tricks,inserted ring , internal cooling oil duct ,pistons for diesel engine&auto engine ,construction machine ,shipping ,Mico compressor aluminum piston and especial pistons are treated by tinning ,black lead,whose diameter is 65-150mm .The quality of aluminum pistons we manufactured which are all accord with GB/T1148-93 NATIOANL STANDARD

Valve production process and finish forge,double-coherer friction welding , plasma nitriding,welding wire conical surface jointing ,small-hat model quenching and so on .Voluntary standards:JB/76102-92

We supply S195 diesel engine fittings.

We can provide high quality OTR tires with many features and they can work under bad conditions.

We are a professional factory manufacturing valve seat rings made of many kinds of materials, such as alloy cast iron, heat resistant, grey cast iron, iron base and copper base types.