By means of powerful strength, GSWTG develops and produces a lot of end millers, ball end millers, taper millers, roughing millers, carbide millers, coating millers, broaches, gear cutters, spine cutters, thread tools, stainless steel and carbon steel dial calipers, vernier calipers, digital display calipers, carbide gauge block, plain gauge and other special measuring tools, preasion vises, mechine vises, magnetic chucks, sine table and other mechine accessories, motorbicycle parts, measuring pumps for wearing, various vanes for air control compresser.