It is a high-tech enterprise that ±•&↕integrates the research and dev♦ elopment,
production, sales, and serv§αice of standard substances/sampγ↑₹les.
It is a high-tech en×Ω✔®terprise that integrates the research aπ≤nd development,production, s♦∑ales, and service of standard sub®↕stances/samples.