Founded in 1999, Nantong Siber ​​Communication Co., Ltd. is located in the beautiful national sanitary city: Haimen, Jiangsu. It is a professional manufacturer and sales of OPGW, ADSS optical cable erection and installation fittings, pre-twisted wire fittings; water-blocking tape for optical cables , Water blocking yarn, winding yarn, tearing rope, filling rope, glass yarn and other optical cable materials and modern high-tech enterprises of communication accessories.