Does Zhenhai Refining only recruit from school?

Zhenhai Refining and Chemical only recruits students from school. Zhenhai Refinery (a Chinese company whose main business is fuel processing) recruitment method: Recruitment is conducted on campus during the school’s recruitment season. Zhenhai Refining and Chemical is the Zhenhai Refining and Chemical Branch of China Petroleum and Chemical Corporation. It is a large-scale holding subsidiary and key enterprise directly under China Petroleum and Chemical Corporation. It was formerly the Zhejiang Refinery founded in 1975 and is located in China. It is the largest refining and chemical integration landmark enterprise in Ningbo Petrochemical Economic and Technological Development Park in Ningbo.