It is a high-tech ente↕γ₹rprise that integrates th∞↕γe research and development,
production, sales, and service of ±'αstandard substances/samples.
It is a high-tech enterp≥↓β✘rise that integrates the re∏♠search and development,pr γα oduction, sales, and s ε₩ervice of standard substances/samples.σ₩