Manufacturer of electronic, electrical parts & components, LED products & related sources, including visible LED, standard LED lamps, super bright LED lamps, super flux white LED, surface mount LED, LED backlights, infrared receiver modules, automotive LED taillights, LED assembly products, phototransistor etc. Obtained ISO 9001, QS 9000, ISO 14000, TS16494 certifications.

Manufacturer of 3G reperter, semiconductor laser diodes, LED, detectors, Transmitter and receiver modules, transceivers. Until now, WTD has occupied 90% market share in Japanese and South Korea FTTH area and become the first supplier of FTTH modules & devices. It has many times undertaken provincial and national key scientific and technological projects included in the 6th-8th Five-Year Plans and the national "863 program" and acquired over 20 technological progress awards and excellent product awards of different kinds, secured 28 patents and participated in the formulation of over 30 national and industrial standards.

As a hi-tech company in the fields of research, development, manufacturing and sales, manufacture of solder paste, TN, STN, C-STN liquid display modules, digital synchros, digital synchronous Transmitter, receivers. It has passed ISO9001:2000.