Shenzhen Guangtong Optical Cable Co., Ltd. is the branch factory of RRT Optoelectronic Group Co., Ltd. Our company has been a professional enterprise integrating R&D and production for more than 10 years. Our items include all types of fiber optic cables, all kinds of optical components and optical access equipment for state-level key high-tech enterprise and so on. Our company covers an area of 5 million square meters, and has 325 employees. In 2008, our sales volume reached 3.5 million ...