It is a high-tech enterprisα€≈e that integrates the research ↕↑and development,
production, sales, and service of st"↓₽≤andard substances/samples.
It is a high-tech ent§™→erprise that integrates the research an> ✔ d development,productionε↕, sales, and service of standard substa≠<nces/samples.