in the Raying technology, each use product's customer will be under thorough careful training. Experienced electrical engineer according to the predetermined training plan, provides to the customer from the thickness gauge elementary knowledge to the examination principle, from the product mix to the product operation, from national examination standard of security and so on omni-directional training. The Raying science's and technology's professionals carry on the instruction hand in hand to each student, answers in the customer study the question, guaranteed the customer returns to the operating post when can use the product to carry on the survey accurately.