S3R CO.,LTD. is

S3R Co., Ltd. is the nation's largest supplier of GRM, the No. 1 contributor to domestic delivery over the past five years, including deliveries of more than 7,000 tons per year.

(주)지알엠
korea smelting plant

S3R Co., Ltd. is a company that has contributed greatly to the development of the domestic urban mining industry.

Sung Yun Mo
minister of trade, industry and energy

S3R Co., Ltd. is the company that has contributed the most to the formation of a resource-circulating society in Korea.

Yoon Sung Gyu
environment minister