It is a high-tech enterprise₩↕σ♠ that integrates the rese✘≈αarch and development,
production, sales, and serv₽ <∏ice of standard substances§ §/samples.
It is a high-tech enterprise that int£∞♣ egrates the research and dev®↕elopment,production, sales, and servi≠<γce of standard substances/s↑™amples.