Tungsten Carbide, Hard Alloy, Drilling Tools manufacturer / supplier in China, offering 100% Raw Material Tungsten Carbide Balls Yg6 Yg6X Yg8 Tungsten Steel Balls for High Precision Bearing, Refined Tungsten Steel Ball Carbide Ball for High Precision Valves Sealing Hard Alloy Precision Balls, Tungsten Carbide Ball Tungsten Steel Rough Balls Non-Magnetic Alloy Balls for Mechanical Parts and Sealing Valves Brake Pumps etc and so on.
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