"Mechanical Workers" on the occasion of the "19th China Welding Fair" held in Shenyang, specially organized the welding industry experts, production companies and users around the forum theme "revitalization" in the carefully planned third welding forum album. The old industrial bases in Northeast China will jointly prosper the Chinese welding market. As a user company in the welding industry in the Northeast, this magazine invites you to express an exclusive opinion on the following topics. I hope that you can focus on the following topics, combined with your understanding of the "revitalization of the Northeast", a brief and incisive discussion. Topic: As a welding industry user in the northeast region, your company has officially listed the revitalization of the old industrial base in northeast China as a national policy and given relevant policy support, providing a historic and rare opportunity for the development of Northeastern industry.