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History
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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.
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