Casting, Forging, Machine manufacturer / supplier in China, offering Injection Molded Copper Nut Straight Grain Reticulated Blind Hole Knurled Copper Insert Zinc Plated Copper Inserts Processing, Hot Melt Inlaid Copper Flower Mother Plastic Copper Nut Straight Grain Through-Hole Embedded Copper Knurled Nut Metric, Copper Embedded Plastic Nut Hot Melt Inlaid Copper Flower Knurled Straight Grain Black Oxide Finish Zinc Plated Through-Hole Nut and so on.