Chan Sung Technology Co., Ltd.
construction and building materials, industrial stainless steel and metal hardware- (1) CS channel- IC single piece and composite type channel framework, DC and duplex channel framework, C type steel. (2) fasteners- type T screw, wedge screw , type U screw, threaded connector, square washer, expansion screw, expansion screw, wedge nut, pre-inserted screw, fully ...