It is a high-tech enterprise that in€®tegrates the researc∑↑'↕h and development,
production, sales, and sλ£↑→ervice of standard substances/sampl¥₩es.
It is a high-tech enterprise that integ₹πrates the research and devσ≈elopment,production, sales, σ≈and service of stand✔'→↕ard substances/samples.