Reliable. The enterprise qualification certificate and inspection certificate are complete, the business license is legal and compliant, and it meets the certification standards of the industrial and commercial departments. Shandong Zhengzhen Optometry Institute is affiliated to the headquarters of Manyana Vocational Training School in Shibei District, Qingdao. It is one of the few formal vocational schools in China with the formal qualification of running a school in Ministry of Human Resources and Social Security. Over the years, he has focused on optometrists, glasses processing and matching, vision correction and health care and many other optometry disciplines.