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. For example, automatic sliding door, automatic revolving door, automatic gate openers and operators, automatic door sensors, automatic boom gates etc.
As a powerful automatic sliding door operator, the Art.1071.108 is suitable for heavy duty doors. Thanks to the anti-drop off carriage, it w
Steel gear rack is a mechanical element to transfer rotary into linear motion. The advantages of a gear rack are its mechanical simplicity,