It is a high-tech enterprise that ¥δ$δintegrates the research and developmentΩ✔¥,
production, sales, and service of stand ≠ard substances/samples.
It is a high-tech enterprise α±that integrates the research and deΩ£>velopment,production, sale∞×s, and service of st≥✔&✘andard substances/samp↓φ¶γles.