It is a high-tech enterprise that integ¥δ★rates the research a∏ nd development,
production, sales, and↕¥ service of standard substa♠★α↑nces/samples.
It is a high-tech enterpr¶£'ise that integrates the re→←↕λsearch and development,production¥≤π, sales, and service of ↑λ standard substances/samples.