It is a high-tech enterpri•σ★™se that integrates th"₽e research and development,
production, sales, and ↑× service of standard substances/samp™✔∏♥les.
It is a high-tech enterprise that integ •∞∑rates the research anδ≤'d development,production, sales, and se≈$∞↕rvice of standard substances/samples.™π"