On Sep. 10, the Certification Ceremony for the first batch of low-temperature welders was held in Assembly Dept. The Assistant President of SWS---Mr. Liu Jianfeng, and the directors of HR Dept., Quality Assurance and Control Dept., Accuracy Management Dept. and Assembly Dept. attended the ceremony and awarded the certification marks---Helmet Stickers to the welders. The Certification Ceremony indicates that the Assembly Dept. has already had the initial capability for constructing VLGC blocks. There are totally 22 welders who were awarded the certification marks. After 10-day theoretical and practical training courses in the welding field of Science and Technology Management Dept., the 22 welders, who finally obtained the qualification of low-temperature welding, have stood out from the 32 welders and passed the double test of both NDT Office of Quality Assurance and Control Dept. and LR.