Welding for construction, machines, equipment, and the important component technology, the study is related to the pattern of technology products, equipment, quality of the height of height, length of service life, safety, to promote the domestic welding construction technology, welding technology in the research, the set of specifications, the unification of the noun and international exchanges of welding knowledge, industry enthusiasts in the republic of China was established in October 75, “the republic of China welding society”, in order to increase the service category, and in June 84 changed its name to “the republic of China welding association”, and in November 93 changed its name to “Taiwan welding association”.