2020 Utility Model--An anti-return device for the ascending section of expansion projects

2021 Utility Model - A multi-pass node device for wire rope

2021-Appearance Patent-Mountain Slide

2022--Appearance Patent-Carousel

2023-Utility Model--A Safety Lock

2023-Utility Model--A Safety Belt Buckle with Higher Safety

Utility Model of 2023 - A Release Device for a Tube Rail Trolley

2023-Utility Model--An Overhead Track Changing Device