Detailed Answer
Bridge crane (overhead/portal crane) operators must hold the "Special Equipment Operator Certificate" (crane machinery operation Q2 certificate), issued by the Market Supervision Administration after examination. Remote operation is crane machinery work and requires the certificate. Companies also need: operation procedure training and periodic refresher training (recertification every 4 years). Leader and Xingjia provide operation training materials.
| Certificate | Special equipment Q2 certificate |
| Issuing authority | Market Supervision Administration |
| Renewal | 4 years |
Note:Operating without a certificate is a violation; the company bears management responsibility.