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
