Is Shandong Longzhong a state-owned enterprise or a private enterprise?

State-owned enterprises According to the query of Tian Yan official website, Shandong Longzhong Information is a state-owned enterprise. Longzhong Information, formerly known as China Petrochemical Business Information Network established in 1988, is a state-owned enterprise. Shandong Longzhong Information focuses on information products covering energy, chemical industry, plastics, rubber, chemical fiber, polyurethane, coal chemical industry, chemical fertilizer, chlor-alkali and new materials, and now has 700,000 petrochemical supply chain customers.