Where can I get the CMC health certificate for free?

In Shajing, you can apply for a health certificate free of charge at the Shajing Center for Disease Control and Prevention. Shajing Street is located in Bao 'an District, Shenzhen, near the east bank of the Pearl River Estuary. You need to know the processing time when you apply for a health certificate, Monday to Friday from 8: 00 am-12: 00 am and 2: 00 pm-5: 00 pm. The health certificate processing time of the CDC affiliated to Shajing Street is from 8: 00 am to12: 00 am from Monday to Friday; 2: 00 pm to 5: 00 pm