TopNet Shenzhen is manufacturer of fiber optic cable and fiber patch cord, pigtails, we are located in the seaport City Shenzhen, China.Certified with SGS, CPR, CE, ROHS.TopNet Focus on power fiber optic cable (ADSS, OPGW, OPPC cable) outdoor fiber optic cable , indoor fiber optic cable ,FTTH optical fiber cable including drop cable , micro module fiber optic cable ,fiber patch cord ,and other fiber optic cable accessories.TopNet highly appraised by customer with superior quality, perfect service and most advanced technology.TopNet installed with 20 high speed fiber optic cable producing lines.available to manufacture 288 cores indoor optical cable,288 cores outdoor stranded loose tube optical cable.TopNet have already build an integrated quality control system in each processing part from QC,raw material to finished products. We deploy the quality test in each part of producing procedure to ensure our quality 100 percent meet standards before leaving factory.TopNet products been widely applied in areas such as telecom, mobile system,network,broadcast,High-speed railway, high way, Frontier Inspection Station,bank,securities,school,and so on.TopNet offer OEM service for well know brand company and listed company.