Casting, Forging, CNC Machining manufacturer / supplier in China, offering China OEM Metal Foundry Ductile Iron Shell Mold/Sand Casting/Forging/Machining Parts Custom Service for Heavy-Duty Truck/Trailer Components, China ISO 9001 Factory OEM Ductile/Nodular Iron Products Custom Sand Casting & Machining Service Per Drawings for Heavy-Duty Truck/Trailer/Tractor/Train/Railway, OEM High Speed Railway/Train Parts Locomotive Metal Components Ductile/Nodular Iron Sand Casting & Machining Custom Service and so on.