How long can Nanjing Sinoma lithium battery film turn positive?

According to the recruitment announcement issued by Nanjing Sinoma Lithium Film Co., Ltd., the probation period for new employees is one month, and after passing the examination, they can become regular employees and sign labor contracts with the company.

Nanjing Sinoma Lithium Industry Co., Ltd. belongs to China Building Materials Group. It is a state-owned enterprise with mixed ownership economy established by Sinoma Science and Technology Co., Ltd., Nanjing Glass Fiber Research and Design Institute Co., Ltd. and Tengzhou Yingke He Zhong Investment Management Center.