It is a high-tech enterprise∏®φ☆ that integrates the research an↕≥d development,
production, sales, and service of stan&£σdard substances/samples.
It is a high-tech enterprise that ∞'integrates the research and developm¥∏ent,production, sales, and servi¥∏εce of standard substan•≤¥$ces/samples.