The development concept of scientific and environmental protection has become our company's call for the development of circular economy. Based on the normalization of environmental protection, we demonstrate corporate social responsibility, increase investment in environmental protection equipment and facilities, and update with advanced, efficient, energy-saving, water-saving and pollution prevention technology. Renovate dilapidated and backward equipment and facilities, continuously improve its environmental protection capabilities, achieve the goal of energy saving and emission reduction, seize new opportunities, and adapt to new requirements.