Shandong Ruiqing Ozone Equipment Co., Ltd., a provincial high-tech enterprise, is located in Jinan, the spring city. It was founded in 2001 and relies on Shandong University to specialize in the production of sodium hypochlorite generators, ultraviolet disinfectors, water tank self-cleaning disinfectors, and ozone generators. The company has 8 invention patents and has undertaken national innovation fund projects. The company has 4 business units and 1 engineering technology center, with an asset scale of 60 million yuan. It has a modern production plant of 8000 square meters and a batch of advanced production equipment and testing instruments. It is committed to the research and development, manufacturing, sales, and comprehensive services of environmental protection equipment, with an annual output of more than 1000 sets of various equipment.