1, enterprise qualification certificate: including enterprise business license, enterprise credibility certificate, etc., these certificates prove that the enterprise has formal registration and certain credit capacity, is a prerequisite for any qualification.
2, technical qualification certificates: mainly special equipment installation qualification certificates, divided into senior, intermediate and primary, corresponding to different equipment installation difficulty and technical requirements. Installers must hold the corresponding level of qualification certificates in order to carry out the installation of specific equipment.
3, project-related qualifications: according to the specific project and different types of equipment, you may need to obtain the pressure vessel installation qualification, crane installation qualification, fire protection installation qualification, pressure piping installation qualification. These qualifications have strict regulations and requirements for all aspects and detailed steps of the project site work.