Shenzhen Ledfriend Optoelectronics Co., Ltd. was established in April, 2007. It is a high-tech company specialized in the R & D, production and sales of LED constant current power supplies. It is one member of the Shenzhen LED Industry Association and Shenzhen Illuminating Engineering Society. Ledfriend insists on technology innovation and is sticking to the quality policy of Excellent Quality, Continuous Innovation, Complete Service and Creating Values for Customers. Its staff is down-to-earth in business dealings and making products. They are meticulous about every section of the R&D, production, and after-sale service. In 2007 when it was established, the qualified rate of finished products had reached 99.1% and this rate has been up to 99.7% in 2011. Ledfriend products have passed ROHS, CE, GS, UL certificates and the factory management is ISO9001:2008 certified by the UK SGS certification authority, and the CQC voluntary certificate is under application. Some products have obtained the export & import qualification and are exported to the Europe and America by winning reliance of customers at home and abroad.