Because the crown block belongs to special equipment, the crown block license shall be handled by the Bureau of Quality and Technical Supervision. Crane, whose scientific name should be bridge crane, belongs to crane and needs to apply for crane operation certificate. It is a necessary certificate for crane operation. Cranes belong to special equipment, and operators engaged in special types of work must be familiar with the safety knowledge and accident prevention skills of the corresponding special types of work. Employees are required to hold relevant certificates, that is, the State Administration of Work Safety issues the People's Republic of China (PRC) Special Operation Certificate.

A, quality supervision bureau special operation certificate worksheet is as follows:

1. Management related to special equipment: safety management of pressure pipes of boilers and pressure vessels, safety management of elevators, safety management of hoisting machinery, etc.

2. Boiler operator certificate: stoker certificate and water treatment certificate.

3. Pressure vessel operator certificate: fixed pressure vessel operation and mobile pressure vessel operation.

Second, the crown block card processing conditions:

1. After obtaining the primary vocational qualification certificate of this occupation, he has been engaged in this occupation continuously 1 year, and has reached the required standard hours after the formal training of this occupation intermediate, and obtained the certificate of completion.

2. Having been engaged in this occupation for more than 3 years after obtaining the primary occupation qualification certificate of this occupation.

3. Have been engaged in this occupation for more than 4 years continuously, have reached the standard hours stipulated in the formal training at the intermediate level of this occupation, and have obtained the certificate of completion.

Legal basis: Measures for the Supervision and Administration of Operators of Special Equipment Article 1 In order to strengthen the supervision and administration of operators of special equipment, standardize the examination and certification procedures of operators, and ensure the safe operation of special equipment, these measures are formulated in accordance with the Administrative Licensing Law of People's Republic of China (PRC), the Regulations on Safety Supervision of Special Equipment and the Decision of the State Council Municipality on Setting Administrative Licensing for Administrative Examination and Approval Items that Really Need to Be Reserved.