It is a high-tech enterprise §¶↑πthat integrates the research and deve ∏lopment,
production, sales, and servic'↕✘πe of standard substances/samples.
It is a high-tech en♣☆¶σterprise that integrates the r✘↑♠esearch and developmenδ∞γλt,production, sales, and service of st↑∏> andard substances/samples.