It is a high-tech enterpri₩$se that integrates the ≤ research and development$λ,
production, sales, and serviceφ>δ∑ of standard substances/samp♦ Ωles.
It is a high-tech enterprise ≥♠$that integrates the res♦∏♣earch and development,production, saleπα§s, and service of standardδ♣ substances/samples.