Group 1 - The article emphasizes the convenience of querying professional qualification certificates for technical personnel, highlighting that the process is user-friendly and accessible [1][6]. - It outlines that the qualification certificates serve as a "weapon" to enhance workplace competitiveness, indicating their importance in career advancement [3][4]. - The article provides multiple methods for certificate verification, including the official website of the China Personnel Examination Network and various mobile applications, ensuring no geographical restrictions and no fees involved [5][6][9]. Group 2 - For certificates not implemented by the Human Resources and Social Security Department, the article advises checking the official websites of relevant industry authorities [7]. - It mentions that the verification process can be done through scanning QR codes on physical or electronic certificates, further simplifying the validation process [5][9]. - The article encourages readers to utilize the provided one-click query links for easy access to certificate information [9].