It is a high-tech enterprise that inte ↓φΩgrates the research and develoε★↕pment,
production, sales, and service of st←€₩andard substances/samples.
It is a high-tech enterpε♣rise that integrates the research and d≠×↕€evelopment,production, sales, anα£d service of standard substances/♥♠✔✔samples.