ZTT entered into Optical Fiber Communication industry in early 1990s, its main products are optical fiber, optical fiber cable, radio frequency cable, electric wire, power cable (XLPE), conductor and their accessories. Presently, ZTT sets foot in Telecommunication, Power system, Investment, Hotel industries. And ZTT established a product-chain of Optical Fiber Cable, Special Optical Fiber Cable, Radio Frequency Cable, Special Conductor (TASTR), Aluminum Clad Steel Conductor, AAC, AAAC, Submarine Optical Fiber Cable, Submarine Power Cable and Submarine Optical and Power Composite Cable, Communication Equipment, with these products ZTT becomes a professional company of manufacturing all kinds of Optical and Power Cables in China. At present, ZTT has 15 subsidiary companies, more 3000 staff and about 3 billion RMB permanent assets, and forms its enterprise structure by Shanghai Headquarter, Nantong Research Center, Rudong Garden Factory Site, and also sets up a sales net by Common Optical Cable, Special Optical Cable, Power Cable, and Overseas departments. In recent years, ZTT is titled as one of "China Communication Industry's Fifty Enterprises with Best Comprehensive Power", one of "China Optical Cable Industry's Ten most Competitive and Famous Enterprises", one of "China Electro-information Industry's One Hundred Best Enterprises", "National Quality Surveillance Inspection Exemption Enterprise" etc.