PC Steel Wire, or prestressed concrete steel wire, is the general term of steel wire made of high quality and high carbon steel wire, after pickling, phosphating, cold drawing and stabilization treatment.  According to the different production process, PC steel wire can bedivided into cold drawing wire and stress-free steel wire. According to the state of the surface, it can be divided into smooth steel wire, nick steel wire, spiral rib steel wire and coated steel wire.