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.

"Leader" standard drafter, leading the high-quality development of the industry. Recently, the Shanghai Institute of Quality Supervision and Inspection Technology has judged the performance of the cooling water tank of our welding equipment, the test results show that the cooling water tank meets the innovative index requirements of the "Leader" Standard Evaluation Requirements - Cooling Device for Welding (T/CECA-G0071-2020).

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 water cooling system was also reported on China National Television CCTV on the evening of June 19th .