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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.