It is a high-tech enterprise that in××tegrates the research and developme™±₹βnt,
production, sales, and service of stπ≥≠™andard substances/sampl¶≠★≤es.
It is a high-tech enterprise that πβintegrates the research and develop₽$ment,production, sales, and seλ↔rvice of standard substan <↓ces/samples.