2. Send SMS 0000 to 10086 to inquire about related services that have been opened for free. If you need to cancel, you can reply to the corresponding serial number within 2 hours before the service.
For some businesses, self-service cancellation through the above method is not supported at present. You can call 10086 to contact the manual customer service to unsubscribe, depending on the actual situation.
"1" The certificate of intermediate electrical engineer issued by China Human Resources Post Vocational Skills Education Management C