However, unlike telecom, China Unicom and China Mobile, TV stations may not be equipped with special border personnel, so ordinary staff may answer the questions part-time. Therefore, if no one answers once or twice, it is normal, and everyone has "three exigencies".
If you need to make a phone call, you can call at 9: 00 a.m. 12 noon and 2: 30 p.m. to 5: 00 p.m., which is safer. Saturday and Sunday, semi-closed, hehe.