After unremitting efforts, the company passed the ISO14001 environmental management system certification, and was the first in the industry to achieve the ‘three wastes’(industrial waste water, waste gases and residues) compliance emissions and comprehensive utilization, and the first to pass the EU REACH regulation registration. Changyu Group continues to explore new technologies and new technologies measures, pay attention to recycling, technical equipment and energy consumption control to maintain the industry's leading position.