1. What suits you is the best
2. High cost performance is the first principle
3. In terms of after-sales service, "in the circle" must have a good reputation.
4. As far as possible, choose a famous brand nitrogen generator enterprise with a long history, and the quality is guaranteed.
5. When purchasing nitrogen generators, consumers should closely follow the actual production situation, try to choose high-quality, high-efficiency, and big-brand nitrogen generators, and buy trustworthy and assured products.