Shenzhen SDGI Photoelectricity Technologies Co., Ltd is specialized in the R&D, production and sales of helical fittings for Optical Fiber, Fiber Optic Cable, Cable Fittings and accessories, and it's engaged in the design, installation, and consultation, maintains of High Voltage photoelectric integration products and projects. Main products of the company are including: various kinds of optic fiber cable, electric power fittings, optic cable and helical fittings for railway line, communicate-used figure-8 cables, fittings for FTTH associated project application, etc^The company is holding by Shenzhen SDG Information Co., Ltd (Listed Company in Shenzhen stock market, stock code 000070). Shenzhen SDG Information Co., Ltd is one of the earliest manufacturing enterprise for optical fiber helical, optic fiber cable and cable helical fittings; it's also first batch of national level high and new technology enterprise and the biggest manufacturing enterprise of optic fiber and cable in South China. In optic fiber and cable, SDGI takes the continuous R&D of special optic cable as core strategy. It developed ADSS&OPPC at the earliest in China, is leader and demonstration effect in the industry. It obtains many honors and commends in development of cables.All helical products of the company have passed test detection of Authoritative Organizations such as China Electric Power Research Institute and Shanghai Electric Cable Research Institute. In 2012, the company became qualified supplier of SGCC first centralized bid-inviting for Optical Cable Fittings; furthermore, it was qualified supplier of Optical Cable fittings for State Extra-High Voltage Projects. The same year, the company wins the bidding of Transmission & Distribution Project of 2012-750kV Second Channel Power Transmission Project for Main Network Interconnection of Xinjiang and Northwest, the overall length of this section is 630km, there are total 11 thousand sets of OPGW fittings.In 2013, the company becomes qualified supplier of cable fittings for Zhejiang-Fuzhou 1000kV Ultra-High Voltage Transmission Line.Up to September 2013, the company has provided all kinds of users at home and abroad more than 200 thousand sets of OPGW fittings and more than 500 thousand sets of ADSS fittings. All of the provided products have been operating on Extra-High Voltage grid lines such as 750kV, 500kV, 330kV and 220kV, etc^ And it's also providing OPPC helical fittings and joint boxes for more than 4000km power transmission line for many provinces and cities in mainland. The company has become important enterprise in China for manufacture and development of power optic cable fittings. Shenzhen SDGI Photoelectricity Technologies Co., Ltd wholeheartedly provides you high quality optical fiber, optical cable and helical fittings, etc^