InnoTRI Inc. is an emerging manufacturer of hardware door products. We focus on safer and easier total access solutions. Our products and services enhance safety and convenience for residential and commercial buildings. Smart Hinge is our new innovative Armless Auto Door Closer. These advanced door closers will be offered in one convenient package. The dynamic design of the Smart Hinge is user-friendly.Smart Hinge is a highly competitive product for its compact style. Additionally, the durability of our product has been tested through various tests. Smart Hinge&＃39;s state-of-the art technology is always ready to meet your demand.