It is a high-tech enterλ prise that integrates the₩♣ research and development,
production, sales, and service of stand₹ $ard substances/samples.
It is a high-tech en∞ terprise that integra÷≠∞λtes the research and develo'"pment,production, sales, and s"≠₹ervice of standard substances/sampleβ✔✘∏s.