Daqing Zhonglan's purchase and supervision departments as well as quality inspection center conducted a field study of residual oil suppliers during Oct 24-27, 2014. The move was a response to raw oil purchase requirements from ChemChina's supply chain management department. Daqing Zhonglan visited major suppliers, such as Shengteng, Yipeng and Futai, and took samples back for further tests. It will base its business cooperation on the test results and realize dynamic supplier management. In this way, the company will add new quality suppliers and eliminate substandard ones. It will also ensure quality raw oil supply.
