It is a high-tech enterprise tha₹≤₽↕t integrates the resea£→÷ rch and development,
production, sales, and ±£↕service of standard substa★×$εnces/samples.
It is a high-tech ente∞₩γrprise that integrate™₽s the research and develop<"∞ment,production, sale≈"δ÷s, and service of stan£$±dard substances/samplπ₹ ®es.