It is a high-tech ent✘α> erprise that integrates the research aε♠↔>nd development,
production, sales, and service oΩ★±<f standard substances/sample∑σs.
It is a high-tech enterp↑₽≈↕rise that integrates the research a✘★nd development,produc><♠₹tion, sales, and serv™≥ice of standard substances/samples.