2021 Real-time lifting and descending caster
2021/3/11
                      2020 Structure for hand trolley
2020/5/21
                      2020 Angle iron caster
2020/3/1
                      2020 Transferring cart
2020/1/1
                      2019 Storage trolley
2019/8/1
                      2018 Storage cage structure
2018/4/21
                      2018 Caster brake device
2018/3/21
                      
2016 ISO 9001
2016/3/1
                      
2016 Intelligent Factory
2016/1/15