The company is a professional manufacturer of laptop power adapter, mainly in research and development, production and sales as one, now has a mature product each alternative brands such as: model, IBM, ACER (ACER), COMAPQ (compaq), the ASUS (ASUS), LCD power supply, LITEON (lite), SONY (SONY), TOSHIBA (TOSHIBA), hewlett-packard (HP) and DELL (DELL) and LENOVO (LENOVO) and laptop power supply and power supply, universal note products tested to verify is universal.