Founded in 1986, Shanghai Chunxu Group was formerly known as the No. 3 Model Factory of Xiangshan County, Zhejiang Province. It specialized in manufacturing metal casting molds at the beginning. It served with Shanghai Aerospace Design Institute, Shanghai Aircraft Manufacturing Plant, Shanghai Diesel Engine Co., Ltd., Shanghai Jiangnan Shipbuilding Co., Ltd. Large-scale state-owned enterprises such as the joint stock company and the Shanghai Heavy Machinery Plant provide aircraft wing drawing dies, diesel engine cylinder dies, marine propeller dies, aerospace, and shipbuilding equipment.