Can inorganic nonmetallic materials be tested as environmental protection engineers?

Inorganic nonmetallic materials can be tested as environmental protection engineers. According to the relevant information disclosed in the inquiry, environmental engineers should have more than three years of relevant work experience. Certificate of environmental engineering and EIA engineer, both of which require three years' working experience. As long as you have enough experience, you can take the exam. Environmental protection engineer refers to the professional and technical personnel who have obtained the qualification certificate of People's Republic of China (PRC) registered environmental protection engineer after examination, obtained the registered practice certificate and practice seal of People's Republic of China (PRC) registered environmental protection engineer according to law, and engaged in environmental protection professional engineering design and related business activities.