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China wholesaler OEM Precision Metal Stainless Steel Ring Gear spurs gear

Product Description OEM powder metallurgy gear    Product Name High precision gear manufacturers by powder metallurgy Material Iron powder, alloy powder,precious metal powder Technology Sintering – Powder Metallurgy   Certificate ISO9001/TS16949 Surface Treatment High frequency quenching, oil impregnation,CNC,vacuum cleaning,polishing, Apperance No…