It is a high-tech enterprise $φthat integrates the resear£δ∞φch and development,
production, sales, and service of÷↑₩ standard substances/samples.
It is a high-tech ente'≈rprise that integrates the research ε≥¥and development,productionΩ, sales, and service $§$of standard substance∞πλ•s/samples.