It is a high-tech enterpr↓↑←¶ise that integrates tπ♥he research and developme'★≥•nt,
production, sales, and ®$αservice of standard substances/samples'♠×.
It is a high-tech enterprise that int>↕®egrates the research ' and development,production, sβ®ales, and service of∞Ω>∞ standard substances/samples.