It is a high-tech enterprise that€$ integrates the research and ↔∑development,
production, sales, aπ↑nd service of standar••↓γd substances/samples.
It is a high-tech enterprise t↔αhat integrates the research and¶≤ ← development,production, s↑→₹αales, and service of standard substγβ↕☆ances/samples.