No! The power supply company belongs to the enterprise and has no qualification. The vocational qualification certificate should be tested in a place designated by the state. Tangshan's vocational qualification certificate must be registered in Tangshan Vocational Skills Appraisal Guidance Center (Building 7 of Tangshan Municipal Government). The exam is divided into two subjects: theory and skills. Only when the two subjects reach 60 points at the same time can they issue certificates. The certificate is national and valid for life!