First of all, it should be clear that the road construction permit belongs to a kind of mechanic certificate. Those who apply for the professional certificate of technicians issued by the Ministry of Housing and Urban-Rural Development can inquire online, but only in the "Training Management System for Employees in Housing and Urban-Rural Construction Industry". If you are sure that the certificate of technical type of work of construction personnel is issued by the Ministry of Housing and Urban-Rural Development, please follow the following steps to inquire.

Step 1: Please take out your certificate, open it and write the certificate inquiry website at the bottom of the certificate homepage. Find a computer, turn it on, enter the certificate query URL in the browser webpage (/), and click Baidu.

Step 2: Click Baidu (Training Management System for Employees in Housing and Urban-Rural Construction Industry) in the red box that pops up. Be sure to see clearly that it is the training management system for employees in the housing and urban and rural construction industries. Then go in and follow the prompts to inquire normally.