Mechanical parts manufacturer / supplier in China, offering Factory GB/Ht200 OEM Wholesale Customize Precision Metal Foundry Processing Investment Casting Machinery Parts Sand Casting for Industrial Equipment, OEM Manufacturing Custom Precision Equipment Machining Forging Casting Stainless Accessories Metal Aluminum Copper Brass Bar and Tubing Machinery Parts, Custom Polishing High-Quality NPT1/4 Factory Machined Spare Parts Steel Stainless Iron Alloy Metal Components Ball Valve for Chemical Equipment Accessories and so on.