Our company established in 2002, HANGZHOU SAFEDOOR AUTOMATION & HARDWARE CO.,LTD is the first & leading manufacturer making the interior swing door operator in China. With the constant pursuit of high high quality and diligent work, a group of professional technical engineers and a strong R & D team, we have expanded the product range into the full line of door & gate automation products and other door hardware series. With the competitive pricing, co-operative staff and excellent management system, we have gained a well-recognized reputation worldwide.