Nastone Renewable Resources & Carbon Technology Co., Ltd., established in 2025 and headquartered in Hangzhou, China, serves as the SGLA Group's first subsidiary established within mainland China. Our operations span the Asian region as well as the global market. Nastone provides a comprehensive, full-lifecycle product chain featuring premium recycled metal raw materials—including copper (R-Cu) and aluminum (R-Al)—as well as recycled plastics (RPET).