Ningbo Spring Telecommunication Industries Co., Ltd. has long been devoted to providing quality and reliable cable management system and passive components for communication field. Products mainly include DDF, ODF, optical passive components, radio frequency coaxial connector, wireless feedback system etc. All products have obtained networking license issued by China Information Industry, and some obtained sales permission license of national defence de partment and telecommunication institution. Customers&＃039; satisfaction--is the highest pursuit of us on product quality. All these years, the company has depended on high quality, perfect after service system to have established a sound business relationship with companies such as China Telecom, China Mobile and China Unicom and obtained the title of "Best Supplier" of Japanese NEC Company.