Shenzhen nufiber systems technology, inc general headquarters located in shenzhen city, guangdong province, China. Nst is a professional hi-tech manufacturer, which specialized in research and development(R&D) production of optical fiber communication devices mainly like fiber optic transceiver, fiber optic media converter, optical modem, optical module, etc, all these items have passed strict quality inspections and have get certificates. With hard work and development for several years, we have established an advantageous technological group and completed reliable production line. We have many kinds of the commonly used fiber optic products in stocks, and for new orders we usually deliver around three business days.