It is a high-tech enterprise↑÷λ that integrates the resea±←✔↔rch and development,
production, sales, and ser×₽ ♦vice of standard substances/samples§α§♠.
It is a high-tech enterprise ₹≈π☆that integrates the research aε↕₩"nd development,production, sales, a✔γnd service of standard s≥₽™ubstances/samples.