The purpose of this study was to establish and identify certification pardadigm, essential competencies, and set up evaluation tools for prospective machnical trade teachers of industrial vocational high schools. Experts and scholars had sanctioned the draft of certification paradigm for pedagogical competencies. The research furnished two sets of test item specification tables for both general and specialized pedagogical competencies according to Bloom's taxonomy. A pilot test was then implemented to examine the reliability, validity, and feaseibility. As suggested by experts, the contents of teaching demonstration, to be held following the paper-and pencil test, should be revealed to the candidates beforehand and randomly picked by the evaluators prior to the demonstration.