WANYU Technology Development Co.,Ltd is a high-tech company, which develops, produces,sells the Electroluminescent Wire(EL wire), the registered trademark is "WANYU • EL".

WANYU concentrates on research & development of the high-brightness EL wire, new-tech and novel products. We are the unique supplier to offer EL wire for performance of the 2008 Beijing Paralympic, we designed and produce Luminescent Earphone for world-renowned companies APPLE Inc, Night light for GE Inc. Nowadays our products are exported to the US,Europe,Korea,Japan etc.

WANYU heads for standardization, internationalization in the enterprise management. We has obtain ISO9001:2000 certification.We have a stringent Quality System to gurarantee quality of our product always in ahead of all others.Most of our product are CE- and UL-certified, and are compliant with ROHS directive. We have an independent factory in the south of China and the advanced manufacture equipment,which ensure a steady production.
 
WANYU has skilled and experienced engineers and technicians who engaged in the technical research and development of EL wire, inverter and serial kit products.
Our EL wires have obtained many invention patents -- Eight utility and invention Chinese Patents issued by China Intellectual Property Office, Two invention US Patents issued by U.S. Patent and Trademark Office , also the European Union Patent and the Patent enter English, France , Germany ect. Taiwan Patent, and PCT ducment issued by International Patent Cooperation office. Base on the second generation EL Wire    “Polar Light 2”, Now we had successfully developed the Third generation EL wire-“Polar Light3”EL wire. “Polar Light 3” EL wire is better than “Polar Iight 2” EL wire in some performance, including the Brightness, Apllicated Voltage, malleability, Flexibilty and lifetime, so it can be used in wider applications.

We have dozens kinds of inverters to meet different application requirements. The design of our kit products are innovational and unique, such as EL Flash Shoelace and “Mulit” EL Flash Earphone.
We also provide customized products according to requirement of client, and help our client solve the technical problem arise during using of EL wire.