The company was established in 1958 as a state owned enterprise and a large scale manufacturer of iron melting furnaces for the metallurgy.In 1999, it transformed into a privately-owned enterprise.Nowadays, Qingdao Qingli Environmental Protection Equipment Co., Ltd. is one of the leading manufacturers of Rock Wool (Stone Wool)and Mineral Wool Production Lines in China. Our quality of manufacturing and stability of machines' performance are at a worldwide level. Energy efficiency and the protection of the environment are two of the main aspects we strongly consider when manufacturing our equipment.The equipment is exported to Russia, Bulgaria, Vietnam, India, Uzbekistan, Kazakhstan, Türkiye and other countries.