What kind of qualifications or certificates are needed to be a buyer?

I think if you obtain the following certificates, it will definitely be helpful for your employment.

C.P.M. Certified Purchasing Manager is a highly respected international honor in the purchasing profession and a status symbol of professional ethics, knowledge level, practical experience and management capabilities. C.P.M. is issued by the Institute of Supply Management (ISM), an international authority on procurement management that has led the procurement management profession for nearly a century. It is a professional measurement standard for procurement personnel by foreign-funded enterprises, especially those in the United States and Canada. As the most prestigious professional association and leader in professional development, research and education, the C.P.M. (Certified Purchasing Manager) and the related junior certification A.P.P. (Certified International Purchaser) established by ISM have been widely recognized and respected around the world for 30 years.

C.P.M. international certification requires the certified person to have corresponding English proficiency. The "Procurement Professional Knowledge" series developed based on the C.P.M. certification and professional system provides professional training in Chinese and procurement and supply management knowledge that is parallel and matching the C.P.M. standard to ensure that the professional level is in line with international standards.

The C.P.M. certification training course is designed to prepare students to take the C.P.M. Certified Purchasing Manager exam. It provides training covering comprehensive procurement professional knowledge according to the requirements of C.P.M., while helping students develop an understanding of advanced international practices and professional concepts. , in order to achieve the purpose of equipping students to prepare for exams.

C.A.P.P.&C.C.P.M. Qualification levels and application conditions

The professional qualifications of China’s registered purchasing managers include two levels: registered purchasing manager (C.C.P.M.) certification and assistant purchasing manager (C.A.P.P.), that is, China Registered Assistant Purchasing Manager and China Certified Purchasing Manager.

To apply for assistant purchasing manager qualification certification, you need to apply to the China Internet of Things Procurement Committee and pass the first two modules of the China Registered Purchasing Manager Qualification Certification Examination. Applicants must have more than 2 years of relevant professional work experience, or have a college degree or above and 1 year of professional work experience.

To apply for the China Registered Purchasing Manager Qualification Certification, you need to apply to the China Internet of Things Procurement Committee and pass all four modules of the China Registered Purchasing Manager Qualification Certification Examination. Applicants must have more than 5 years of full-time professional work experience in procurement and supply management, or have a bachelor's degree or above and 3 years of full-time professional work experience in procurement and supply management.

Generally, when companies recruit procurement personnel, they pay more attention to the academic qualifications and personal abilities of applicants.

For reference!