How long can Daxie Petrochemical turn positive?

Two years. According to "People's Republic of China (PRC) Labor Contract Law" and "Interim Provisions on Labor Dispatch", an employee who has been dispatched for two years can sign an open-ended labor contract with the employer, that is, become a regular employee. Therefore, the employees dispatched by Tianjin Beihai Petroleum Labor Service to Ningbo Daxie Petrochemical Company have worked in our company for two years, which meets the conditions of becoming a regular employee, and can sign an open-ended labor contract with the employer and become regular employees.