Qingdao Guolin Environmental Protection Technology Co., Ltd. was established in 1994. It is a high-tech enterprise integrating science, industry and trade. It is a research on ozone generation mechanism, design and manufacture of ozone equipment, design, installation, commissioning, A professional company for operation and maintenance, and a representative enterprise in the domestic ozone industry. The company officially landed on the Shenzhen Stock Exchange Growth Enterprise Market on July 23, 2019. The stock abbreviation: Guolin Technology, stock code: 300786