It is a high-tech enterprise tha¶ π≥t integrates the researε&ch and development,
production, sales, a£ εnd service of standa≤<"rd substances/sample✔ ≠↓s.
It is a high-tech enterprise that inε®♦tegrates the research and deve↕φ←lopment,production, sales, and service $∞γof standard substances/sa∑>mples.