久久精品视频国产剧情,91精品尤物福利国产,一级精品视频国产,国产午夜亚洲精品国产成人

Founded in March 2010, Tianjin Puray Instruments Ltd. located in tianjin binhai high-tech industrial development zone, covers an area of nearly 4000 square meters and specializes in first-aid medical equipment, monitoring equipment, medical refrigeration equipment and medical inspection equipment.Company products to the world's leading level of high-tech products as the direction of enterprise development, new technology, new technology, new materials, new products as the goal, research and development, innovation.