It is a high-tech enterprise th↔ ∑"at integrates the research and develop'"σment,
production, sales, and serv×ε∞ice of standard substances/samσ®$ples.
It is a high-tech enterprise tha•×λt integrates the research and δ₹development,production, sal♣↕♣es, and service of standard su≥"☆×bstances/samples.