2018 Utility Model - A new type of pulley with a broken rope protection device
Utility Model of 2018 - A new type of pulley sliding on a circular tube track
2020-Utility Model--A lifting anti-brake device for a monorail slideway pulley
2020-Utility Model--A magnetic deceleration device for monorail slide
2020-Utility Model--Automatic Capture and Release Device for Wire Rope
2020-Utility Model--A High-altitude Swing Braking Device_Page
2020-Utility Model--A Braking and Release Device for a Block
2020-Utility Model--A cable clamping device with automatic capture and release for pulley lifting
