Where can I get the crown block pass in Jinghai District of Tianjin?

Tianjin Xinsheng Education Consulting Service Co., Ltd., Tianjin Dingshan Education Training Center, etc. According to the national enterprise credit information publicity system, there are Tianjin Xinsheng Education Consulting Service Co., Ltd., Tianjin Dingshan Education Training Center and Tianjin Jinwei Vocational Training School in Jinghai District of Tianjin. Their business scope includes educational information consulting services, and they can all apply for the crown block license examination.