Different from the previous metal wire and plate processing, HCHI Industry mainly specializes in the manufacture of compression springs, torsion springs and extension springs. The range of wire diameter is from 0.1mm to 12mm, including various materials and special wire types, such as oval wire, egg wire, flat wire, etc. At the same time, it provides one-stop peripheral services such as heat treatment, beading, electroplating, anodizing, baking paint, welding, packaging and sea and air transportation.