SEI Optical Fiber and Cable (Shenzhen) Limited (SEFC) was established in July 2001, mainly produces and sells optical fiber, optical cable, semi-finished products, and provide relevant supporting products, components and raw materials, manufacturing, processing, sales, service, technology development, consulting services, and these products wholesale, import, export and related ancillary services.

Company located in Shenzhen High-Tech Industrial Park District, covers an area of 110,000 square meters, equipped with the world's advanced fiber-optic cable manufacturing and testing equipment. Company began production in November 2002, another in China Telecom, China Mobile, China Unicom and Railway as well as railways, oil, electricity, broadcasting, military and other fields put into use by users and praise.

company passed the ISO9001 international quality management system certification, quality assurance system. The company also passed the ISO14001 international environmental management system certification, in the "environmental load reduction, to build a sustainable society" under the guidance of this common understanding, continued to effectively implement environmental protection activities, by providing optical communication related products and services to society contribution. Company's fiber production line and testing equipment to achieve full computer control, quality management to ensure effective early warning, monitoring, analysis, tracking and improvement.

time we communicate with customers, understanding customer needs, providing unique and efficient service. We are to "provide high quality products and services, on time delivery, price rationalization in order to increase the customer's best interests and competitiveness" for the purpose, all-round customer service. We respect and cherish talent and focus on the training and upgrading. We hope to recruit the brightest elite, China and the world together for the optical communications industry to contribute.