It is a high-tech ent®↑erprise that integrate±¥≤₩s the research and develo∑Ω↕pment,
production, sales, and service of ¥ standard substances/samp™¥les.
It is a high-tech enterprise that•∞₽ integrates the researc≈↕₹h and development,pro&§duction, sales, and service↔α of standard substances/samples.