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March, 1954- established Lvjiazhen Iron Industry Producers Cooperative. 

December, 1954-renamed as Lvjiaji United Agriculture and Iron industry Producers Cooperative Committee.

February, 1956-renamed as United Agriculture and Iron Industry Producers Cooperative.

January, 1957-renamed as Wendeng Iron Industry Maintenance Producers Cooperative.

April, 1958-Renamed as Wendeng Cooperative United Factory.

July, 1958-Renamed as Wendeng Machinery Farm Tools Maintenance Factory.

February, 1960-Renamed as Wendeng Tractor Maintenance Factory.

April, 1970-Renamed as Agricultural Machinery Repair and Manufacture Factory.

January, 1982-Renamed as Shandong Wendeng Crankshaft Factory.

December, 1993-Renamed as Shandong Crankshaft General Plant.

December, 1995-Renamed as Wendeng Tianrun Crankshaft Co., Ltd.

1999- Renamed as Tianrun Crankshaft Co., Ltd.

November, 2007-Established Tianrun Crankshaft Co., Ltd.

August 21st, 2009 - went public in Shenzhen A Stock Exchange 

 

 
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