It is a high-tech enterprise "φ♣that integrates the research aπ £nd development,
production, sales, and ser∞$α<vice of standard substances/εδ♠samples.
It is a high-tech enterprise that inγ≤™☆tegrates the research and develop§ ™<ment,production, sales, and serγ↕vice of standard substances/sam↕σ₽≤ples.