Metal casting

Metal to casting compared to sand casting: There are many technical and economic advantages. (1) Metal-type castings, its hardware business network information center) http://news.chinawj.com.cn

Screw

chipboard screw,DryWall Screw,Truss self-drilling screws,Hexagon Head Self Drilling Screw,Hex Self-drilling screw with EPDM Washer,Round head tapping screw,Flat head tapping screw

Hebei Qianmu Fastener Manufacturing Co., Ltd , https://www.qmjgjfasteners.com