In April 1966, the state-owned Changfeng Machinery Factory affiliated to the Third Ministry of Machinery Industry was established

On September 30, 1970, the "Digital Program Automatic Control Line Cutting Machine Tool" was successfully developed. This type of machine tool is the first in China.

In 1972, the Third Ministry of Machinery Industry conducted a technical appraisal of the CKX CNC wire-cutting machine tool produced by the factory and believed that

it had reached the domestic advanced level at that time.

In 1973, in accordance with the decision of the Third Ministry of Machinery Industry, the CNC wire cutting machine tool numbered CKX-1 began to be put into mass production. It produced 32 units that year, making it the first unit in China to mass-produce such machine tools. Due to its high precision and stable and reliable use, the machine tool is popular among users and enjoys a high reputation in the country. There is an endless stream of orders from users.

September 10, 1981 Successfully developed the DK3220 coordinate CNC machine with taper cutting function. The biggest feature of the product is that it has a 1.5-degree taper cutting function. It has completed major technical improvements in wire cutting machine tools and continues to maintain its leading edge among similar domestic products.

In 1982, it was rated as an excellent product by the Third Ministry of Machinery Industry of the State Council.

October 1983 was rated as a high-quality product in Jiangsu Province.

In September 1984, it was awarded the National Quality Management Silver Award.

On June 30, 1986, after registration with the Trademark Office of the People's Republic of China and the State Administration for Industry and Commerce, the CNC wire cutting machine produced by the company was recognized as Changfeng brand CNC wire cutting machine.

December 1989: Awarded as a quality product by the Ministry of Aerospace Industry.

In December 1989, it was awarded the National Quality Management Silver Award again.

In January 1990, it was rated as a high-quality product in Jiangsu Province again.

On May 8, 1999, with approval, Changfeng Machinery Factory was renamed Suzhou Changfeng Co., Ltd.

In October 2001, it was recognized as a high-tech product by the Jiangsu Provincial Department of Science and Technology.

On September 30, 2002, with the approval of China Aviation Industry Corporation No. 1, Su Changfeng Co., Ltd. and other units invested to establish Su Changfeng Mechanical and Electrical Technology Co., Ltd.

In October 2002, it was recognized as a high-tech enterprise by the Jiangsu Provincial Department of Science and Technology.

In March 2003, we obtained the export product quality license.

On January 19, 2006, Suzhou Changfeng Mechanical and Electrical Technology Co., Ltd. successfully completed its restructuring with the approval of Aviation Industry Corporation of China. By absorbing private capital and transforming production and operation mechanisms, state-owned enterprises can regain a new lease of life. After the company's restructuring, Luk Ping served as chairman and general manager of the company. Su Changfeng Co., Ltd. is still one of the shareholders of Su Changfeng Mechanical and Electrical Technology Co., Ltd.

In October 2006, it was once again recognized as a high-tech enterprise by the Jiangsu Provincial Department of Science and Technology.