In January 2022, CHD was published another technical paper in a major journal. The first issue of "Welding Technology" in 2022 published the paper "Research on pressure loss of liquid cooling device of welding equipment" written by Kenwoo Chen and Yu Chen, and the technical strength of CHD was once again recognized by the industry.

The 25th Beijing Essen Welding & Cutting Fair was held in Shanghai New International Expo Centre, Shanghai from June 16th to 19th, 2021. This is the largest industry Fair of Welding machine, Cutting machine and Beveling machine in the whole of world this year. Our beveling machine and cooling water tank were shown in E1 exhibition hall.  What’s more exciting that CHD’s cooling water tank was also reported on China National Television CCTV on the evening of June 19th . 

On February 23, the birth ceremony of our company's 60000th arc welding equipment water cooling system was held in Shanghai. Some representatives of the company witnessed this important moment. The CHD brand water cooling system has been manufactured for 32 years. In the past three years, the company has paid more attention to this product, and its sales volume and quality have become better and better. It has cooperated with more well-known enterprises and obtained multiple certifications and patents.