It is a high-tech enterprise that int↓ ÷egrates the research∏ and development,
production, sales, and service ÷₽εof standard substances/samp↕•↔les.
It is a high-tech enterprise δ✔€↑that integrates the researc ≤$h and development,productioπn, sales, and service of standard s≠§ubstances/samples.