- 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.
图木舒克市|
通城县|
SHOW|
五华县|
东城区|
资溪县|
迁安市|
罗平县|
九寨沟县|
兴仁县|
沾化县|
龙门县|
深水埗区|
万州区|
东光县|
新绛县|
汤阴县|
宝应县|
南木林县|
阜宁县|
九寨沟县|
若羌县|
长泰县|
织金县|
凌云县|
秦安县|
崇明县|
南澳县|
青岛市|
灵武市|
偏关县|
南京市|
武城县|
凤山市|
南陵县|
雅江县|
宣城市|
通辽市|
蒙自县|
辽中县|
阜新|