It is a high-tech en'÷¶terprise that integrates the §≈α research and developm"≥ent,
production, sales, and serv↓Ω•♣ice of standard substances/samplesα☆±.
It is a high-tech enterprise that int&φ≤£egrates the research and±$ development,production, sales, ★π"★and service of standard substance &↑§s/samples.