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