It is a high-tech enter€↕prise that integrates th×e research and development,
production, sales, and serv¶ $ice of standard substances/sa÷♦mples.
It is a high-tech entλ↕®erprise that integrates the rσπesearch and developmentλ★&∏,production, sales, and ser₩•αγvice of standard substances/πσ✘§samples.