1) Nodular iron added copper and molybdenum, aircraft forged 4340, 5140 steel, "non-twist" 2) CNC processing facilities make the products more perfect dimension and finish accuracy 3) Multi-stage heat treat and nitrated surface for wear resistance ensure high tensile, strength, impact 4) gasoline engines, diesel engines, CNG Engines, generators. 5) Japanese, Korean, European, American, Russian, etc. engines.
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