国产精品兄妹在线观看麻豆,精品无码中文视频在线观看,真人无码作爱免费视频,无码a级毛片免费视频内谢5j

Sintered Tungsten Carbide on the Surface of Medium Extension Tower Wheel

• The company has advanced spraying equipment at home and abroad: explosive spraying series, supersonic spraying series, powder flame spraying series, wire flame spraying series, bar flame spraying series, etc. Mainly used in the regeneration of mechanical fittings in various industries, through spraying to improve the workpiece surface wear resistance, corrosion resistance, erosion resistance, high temperature resistance, conductive insulation and so on.