It is a high-tech enterprise that φ€≈ integrates the research and d&→♣evelopment,
production, sales, and ser ®×♠vice of standard substances/sa₽φ∑₹mples.
It is a high-tech enterpri≈↓∑se that integrates the research φ≈×and development,product→✔ion, sales, and serv¥σ₹∞ice of standard substances/sampl★♠★es.