Eisenmann Think of Yourself as a User Design products as user, always put the safety, operation convenience, environmental protection and operation skills of the products in the first place.
Engineers often put on work clothes, go to the workshop and the scene to imitate the repairman, operation maintenance equipment, to ensure that the design is reasonabale.
Theory and Practice New products developed are usually proved repeatedly by theoretical practice before they can be put on the market. Innovative
Conclusions Environmental protection products, after passing the government test and certification, are defined as successful trial production. Stable use after one year is considered successful use, after two years is defined as the final success.