ELECTRIC TOOLS > PRO-POWER With over 20 years Quality Assurance and R&D, Anson Pro-Power (Previous name : Pro-Power) has been widely accepted by the American and European Countries. In addition to the going concern about industrial safety and labor protection, Anson Pro-Power offers shockless, low noise and light-weighted electric screwdrivers to the market. Since 90s, Pro-Power's products have obtained the certificate of UL, CSA, CE safety standards. In the foreseenable future, Anson Pro-power will continue developing the market in other countries; hopefully, its screwdrivers can assist many production lines and maintenance centers to run more smoothly than expected. USA Patent No. 4878404 4653359