| |
|
| From Mar., 1954 to Dec., 1954 |
Lvjia Town Iron Trade Producing Cooperation |
| From Dec., 1954 to Feb., 1956 |
Lvjia & Unite Agriculture Iron Trade Manufacturing Cooperation Preparation Committee |
| From Feb., 1956 to Jan., 1957 |
Unite Agriculture Iron Trade Manufacturing Cooperation
|
| From Jan., 1957 to Apr., 1958 |
Wendeng Iron Trade Repair & Parts Replacement Cooperation |
| From Apr., 1958 to Jul., 1958 |
Wendeng County Cooperation Unite Works |
| From Jul., 1958 to Feb., 1960 |
Wendeng County Mechanical Dead Stock Repair & Parts
Replacement Manufactory |
| From Feb., 1960 to Apr., 1970 |
Wendeng Tractor Repair & Parts Replacement Works |
| From Apr., 1970 to Jan., 1982 |
Farming Machine Repair Manufactory |
| From Jan., 1982 to Dec., 1993 |
Shandong Wendeng Crankshaft Plant |
| From Dec., 1993 to Dec., 1995 |
Shandong Crankshaft General Plant |
| From Dec., 1995 to Nov., 2000 |
Wendeng Tianrun Crankshaft Co., Ltd. |
| From Nov., 2000 until now |
Tianrun Crankshaft Co., Ltd. |