Precision Casting, Investment Casting, Die Casting manufacturer / supplier in China, offering Silicon Carbide Foam Ceramic Filters with Excellent Resistance to Molten Iron Erosion and Corrosion for Reducing Entrapped Gas in The Liquid Metal, 200cpsi High Flow DPF Diesel Particulate Filter for Diesel Engine Exhaust System, Carbon Steel 45# Cornical Worm Gear and Pinion for Sale and so on.