How long is the probation period of CLP 29?

According to the employment information website, the 29th Research Institute of China Electronics Technology Corporation was established in 1965, which is the first research institute in China for overall technology research, equipment development and production of electronic countermeasures. Working hours are 5 days a week, 8 hours a week, and overtime and shift work are arranged according to production tasks and positions. The probation period is 2 months.