Qingdao Guolin Technology Group Co.,Ltd. engages in the design and manufacture, installation, commissioning, operation, and maintenance of ozone equipment in China and internationally. The company offers ozone generators, hydrogen machine water, oxygen atom generators, desktop and portable sterilizer, glyoxylic acids, gas detecting and ozone concentration analyzers, ball valves, thermostatic chillers, and water-cooled cabinet industrial air conditioning and refrigerated air dryers. It also provides piezoelectric ceramics, such as fuses, cleaning vibrators, piezoelectric vibrators, needles, tire balancers, sorting machines, and automatic performance testing machines, as well as ozone gas delivery systems, electronic grade ozone gas generators, semiconductor ozonated water systems, photovoltaic concentration ozonated water systems, ozone dissolved concentration analyzers, and mobile type ozonated water systems. The company's products are used in municipal water, wastewater, industry sewage, flue gas denitrification, chemical oxidation, petroleum, semiconductor, medical, agriculture, and other fields. The company was formerly known as Qingdao Guolin Environmental Technology Co.,Ltd. and changed its name to Qingdao Guolin Technology Group Co.,Ltd. in January 2023. Qingdao Guolin Technology Group Co.,Ltd. was founded in 1994 and is headquartered in Qingdao, China.