What is the door closer?
The door closer is a spring-like hydraulic device on the door. When the door is opened, it can be released by compression, and the door is automatically closed. It has the function of a spring door to ensure accurate and timely closing to the initial position after the door is opened. . Suzhou Newstar Hardware Co.,Ltd, offering hand tools, Tool Set Box, Hand Tool box for more than 10 years. With more than 350 tools factories supported and experience in this industry, we have strong capacity in OEM and ODM services in different kinds of Tool Set kit, customized logo and innovated ideas of new tools. Professional China Manufacturer of Tool Kit . Hand Tools,Tool Set Box Hand,Hand Tools Box,Basic Hand Tools SUZHOU NEWSTAR HARDWARE CO.,LTD. , https://www.sjnewstarhardware.com