- 1963
- Liaocheng lifting machinery factory was established.
- 1981
- Rings trademark licensing at the State Trademark Office approved the registration.
- 1981
- Rings chain hoists to get production permit.
- 1982
- Enterprises selected for the national chain hoists Industry Association.
- 1987
- Rings chain hoists Shandong Province quality products.
- 1988
- Rings chain hoists by the National Electrical and Mechanical Services Department of quality products.
- 1990
- Rings chain hoists become Liaocheng first export of electromechanical products.
- 1999
- Enterprises to obtain import and export right qualifications.
- 2002
- Liaocheng Wuhuan Machinery Co., Ltd. founded.
- 2003
- Enterprises through the ISO9001 quality system certification.
- 2006
- Enterprises selected for the quality of Liaocheng Economic Development Association governing units.
- 2009
- Rings chain hoists have been identified as Shandong famous brand.
- 2009
- Enterprises selected for the national hoist industry associations governing units.
- 2015
- Enterprise was named China's machinery industry quality brand.
