Hot Sales High Precision Tungsten Carbide Alloy Balls 5mm 5.5mm 6mm 6.35mm 6.747mm 7mm 7.144mm Shandong Jinnai International Trade Co., Ltd. Base Info Description Pre：Tungsten Carbide Grinding Ball/Tungsten Carbide Balls Bearing for Downhole Motors Tricone Bit Balls Next：Yg6 Alloy Steel Ball 35mm 36mm 37mm 38mm 38.1mm Tungsten Carbide Wear Parts Hard Alloy Tungsten Carbide Ball
