Shenzhen TING ESUN Communication Technology Co., Ltd, as a branch of TING ESUN (ASIA) LIMITED, is founded in 2008. Shenzhen TING ESUN Communication Technology Co., Ltd is engaged in developing and manufacturing world class fiber optic products. after several years development, the company has been a leading professional and fast-developing company in fiber optic communication markets. the 3000 square meters factory is located in beautiful coastal industrial city Shenzhen, China. Our products includes (but not limited to): Fiber Optic Patch Cords, MPO, PLC Splitter, WDM Series(CWDM, DWDM, AAGW, TAGW), Optical Isolator & Circulator etc.