It is a high-tech enterprise that int>₽♥egrates the research and develo≥★π>pment,
production, sales, and service ↕±of standard substances/¥☆αδsamples.
It is a high-tech enterprise ≈∏that integrates the r®≤>®esearch and development,production, s ♠¶ales, and service of standard sub₩$♣stances/samples.