It is a high-tech enterprise that in>£₽βtegrates the research and de€δvelopment,
production, sales, and service of$' standard substances/samples.
It is a high-tech enπ↑→terprise that integrates the reseaσ∑rch and development,p®¥&roduction, sales, and servi±≥ce of standard substances/sa↕♦mples.