It is a high-tech enterprσΩπise that integrates t$✘♣he research and development,
production, sales, and servic" e of standard substances/samples.
It is a high-tech enterprise tha &®✔t integrates the research and dev¥&✘✘elopment,production, sales, and serv¶✔•ice of standard subst★∞'ances/samples.