These two factors both depend on push-pull control cable inner core (Armored cable) cooperate with conduit one, so manufacture of armored cable becomes importance. So, the company's quality management system certificated by auditor of RWTUV (TUV) and fully met request of ISO 9001-2000, and the manufacture control adopts three major automobile factory's request standard procedure of SPC (Statistical Process Control) in the whole production process; the quality is totally in controlled.