A Company You Can Trust Located in Ningbo, the main seaport city in China, Ningbo Haishu Efon Communication Limited is a professional manufacturer of fiber optic cables. We have more than 15 years' experience in producing communication cables and fiber optic cables. Since then we have been growing to become a leading Chinese manufacturer and exporter of fiber optic products around the world. Quality and Safety We have implemented a strict and complete quality control system, which ensures ...