It is a high-tech ent$πerprise that integrates the₽✔ research and develop ←ment,
production, sales, and service ≈₽of standard substances/samples.
It is a high-tech enterp€♥'rise that integrates the rese ↕₽λarch and development,production, sale×λ ∏s, and service of standard substances/s±σ≠amples.