Mainly used for rapid manual assembly and disassembly, quick-release pins use a mechanism to provide a locking action. They use a clearance fit in holes formed to nominal diameters and are divided ...

Shenzhen Kinghelm Electronics Co., Ltd. In 2018, Shenzhen Kinghelm Electronics Co., Ltd. was granted an invention patent for its Beidou-Based Intelligent Container Electronic Lock. By integrating ...