It is a high-tech enterprise ∏☆that integrates the ≠∑∑ research and developme←★nt,
production, sales, and servic≈πe of standard substances/sa≠₽×↑mples.
It is a high-tech enterpri™'✘se that integrates the research↑≈≈φ and development,product★•∑αion, sales, and servic≥↓≈♦e of standard substances/sample←s.