Commerical UL Listed Door Closer

All parts are developed and produced by us, quality can be guaranteed. With High Strength Cast Aluminum , Heat Treated Piston and Wrought Steel Arm, our automatic door closer is a worthwhile product with great price.

HD-90 Cam structure small machine door closers

New cam structure small machine door closer, open the door easily, children, the elderly and disabled more convenient to open the door, close the door when the force increases to ensure reliable closing.

HEINDA SINGLE CYLINDER FLOOR SPRING HD-212

This video is a comprehensive introduction to the installation of this type of floor spring