In August of 1949 Sanyou Iron Factory
In December of 1955 joined in State-private Cooperated Haiguang Power Factory
In April of 1957 Local State-owned Haian Machinery Manufacturing Factory (separated from Haiguang Power Factory)
In April of 1958 Local State-owned Haian Iron Factory
In June of 1961 Local State-owned Haian Diesel-engine Manufacturing Factory
In January of 1970 Local State-owned Haian Agricultural Machinery Manufacturing Factory
In December of 1978 State-owned Haian Agricultural Machinery Manufacturing Factory
In September of 1986 State-owned Haian Machinery General Factory
In November of 1996 Nantong Wanli Machinery Group Co., Ltd.
In December of 2003 Jiangsu Wanli Machinery Co., Ltd.