It is a high-tech enterp∏$✘rise that integrates the research a ₹nd development,
production, sales, and service¶₹✘✘ of standard substances/samples.
It is a high-tech enterprise tπ₽'hat integrates the research and d£®evelopment,production, γ♠π&sales, and service of st∑ε↕andard substances/samples.