PI Electronics was setup in 1990 at Hong Kong to design FL inverters for notebook computers and AC/DC power supplies. With our leading technology PI introduced a revolutionary FL inverter topology with efficiency higher than any other conventional inverters at early 90's. PI Electronics has now expanded to a leader in customized switching mode power supplies design and manufacturing with a huge R&D center in Shenzhen, China plus two factories located in Shenzhen and Jiang Xi. Currently we have over 5000 employees, over 200 engineers from Hong Kong, China, Japan, Philippines, Malaysia, Singapore and Taiwan, ~ 87,500 sq. meters factory floor space with sales offices in Hong Kong, Japan, Taiwan, and Shanghai.