Shanghai Widen Photodiode Tech Co., Ltd

Shanghai Widen Photodiode Tech Co.,Ltd is located in the High and New  Technology Industrial ~Development Zone of Minhang, Shanghai. We have advanced technology of research and development. There are Experts, Doctors, Masters and Senior Engineers for the research of our products.       
Widen Photodiode Co.,Ltd research the outdoor illumination such as LED Street Light, LED Tunnel ~Light, LED Courtyard Light and so on. We also research a series of indoor lights, including LED Mining Light, LED Bulb, LED Tube Light and LED Plane Light. And we attained more than 20 patent certificates. We are the first-group get through the certifications of ISO9001:2000, CE and ROHS. All aspects operate strictly according to the company quality manual and quality system.
We will give full play to our characteristics as always, with almost 10 years’ experience, keep the principle ‘customers’ need first, users are the god’, continue to offer service of LED illumination and large display screen display field.