Is plumber a hot industry? Is it suitable for us post-90s students? Are there many young people studying this industry?

Sure. Plumbers are good. No matter what society, hydropower is a hot industry. If you have plumber skills, you won't worry about finding a job. Of course, the competition in hot industries is fierce, which requires people engaged in hydropower work to have a strong sense of responsibility and dedication, be serious and responsible, strive for perfection in business, and have strong analytical and practical abilities; Have knowledge of electromechanical and water affairs, know the market price of daily maintenance materials, be able to coordinate personnel relations, rationally allocate manpower, and have certain organizational and governance capabilities; With the title of hydropower technology, 24 hours on call; Healthy and energetic.