It is a high-tech enterprise that int₩€∑egrates the research and developme' nt,
production, sales, and service of stanβ∏↕¥dard substances/samples¥₽.
It is a high-tech ente$ ₽rprise that integrates the research a☆♥$↑nd development,production, sale≥∞≠s, and service of st≥ andard substances/samples.