It is a high-tech enterprise t€•♣hat integrates the research and♥ σ≥ development,
production, sales, and serv↑δ•ice of standard substances/saγ♦¥mples.
It is a high-tech enterprise$× that integrates the res¶ ₽™earch and development,production™±€σ, sales, and service of standard su∑≤bstances/samples.