... screw, ball screw, hex head screwbolt screw, bolts and nuts, self drilling screw, self tapping screw, machine screw, ... accordance with ISO9001: 2008 6) Finest Quality Control and After Services Production rangeUsed in electronics, home appliance, ... computer, lighting, automobiles, furniture and industries. Main Customer:USA, Germany, UK, Poland, Italy, Russia, Brazil, Iran and Singapore etc