TONG GUANG CABLE (TGC) is a leading wire and cable manufacturer in China, established in 1991 and listed on the Shenzhen Stock Exchange. We provide reliable solutions for power, telecom, renewable energy, and automation, enabling smart and efficient connectivity. TGC's main products are OPGW, ADSS. TGC holds patents related to these products. km Please click here to download TGC's fiber optical product catalog. Jiangsu Tongguang Electronic Cable Co., a well-known brand of optical cables, a leading manufacturer of traditional power special optical cables, specializes in the production and sales of special power optical cables and wires for transmission lines, and high-temperature cables for aerospace. The structure of the GYTC8S cable is to insert single- or multi-mode fibers into a loose tube that is made of high modulus polyester material, and the tube shall be filled with a water-resistant compound. The center of the cable core is a metal reinforced strength member, for some fiber numbers of. TGC (Tongguang Cable) is a leading manufacturer of wire and cable in China since 2002, including Coaxial Cable, Optical Fiber Cable, OPGW/ADSS, Conductor/ACSR, email us: sales#tgcable, com.