Dmis production technology team has rich experience in film coating to ensure that the whole series of products are strictly controlled in the production process, from the selection of raw materials to the production process. The products have passed the relevant tests of "Public Security Product Quality Supervision and Inspection Center", "National Glass Quality Supervision and Inspection Center" and "National Building Materials Testing Center". The indicators and technical performance of its full range of products are at a higher level compared with similar products at home and abroad.