Shenzhen Youngsun Com Optical Fiber Cable Co.,Ltd.-Founded in 2001, Shenzhen Youngsun Com Optical Fiber Cable Co.,Ltd. is a professional and technical enterprise integrating development, production, sales and service. It is also a large-scale optical cable manufacturer in Shenzhen. In 2002, the company took the lead in the research and development of low **oke and halogen-free optical cable, becoming the first domestic manufacturer of low **oke and halogen-free indoor optical cable. In line with..