RiSenSun have dedicated into industry of fiber optic cable for 10 years. With our persistent efforts on marketing and technology innovation, it brings us abundant experience and high appraises to 4 products catalogues: 1. Fiber optic cables; 2. Copper cable, 3. Cables for security & safety 4. Computer room wiring class. We are an ISO: 9001-2000 quality certified company and set up with precision testing instruments like Fluke lan-meter, OTDR, advanced fusion splicer and Optical fiber grinding machine etc.