It is a high-tech enterpriε∏←∏se that integrates the research and dev×£$elopment,
production, sales, and service of st↕☆'andard substances/samples.
It is a high-tech enterprise that ↕&↑ integrates the research and de€±¶Ωvelopment,production, <'sales, and service o'←f standard substances/samples.