Our company specializes in manufacturing specialized environmental protection equipment; Environmental protection monitoring; Sales of specialized environmental protection equipment; Sales of specialized environmental monitoring instruments and meters; Sales of disinfectants (excluding hazardous chemicals); Pigment sales; Sales of specialized chemical products (excluding hazardous chemicals); Sales of electronic specialized equipment; Sales of electrical equipment (except for projects that require approval according to law, business activities can be conducted independently based on the business license in accordance with the law)