Hangzhou XLPE power training is formal. According to official website, a cross-linking group, the Power Training Center of Cross-linking (Hangzhou) Investment Management Co., Ltd. is a training institution designated by the Zhejiang Supervision Office of the former National Energy Administration, which is engaged in the training of high-voltage and special electricians. At present, it is a training institution designated by Zhejiang Safety Supervision Bureau, which is engaged in the training of high (low) voltage electricians, high-altitude installation, maintenance, demolition and other operation certificates. After training, it has obtained the special operation certificate issued by Zhejiang Safety Supervision Bureau. There is national recognition, so it is formal training.