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WE FORMULATED CHINA NATIONAL STANDARD OF SILICA GEL & COLLOIDAL SILICA
Email: sales@sdymqy.com    ymsilicagel@gmail.com     WhatsApp / WeChat: +86 18654681060
In 2015, we were invited by National Chemical Standard Commitee to formulate the following national standards,
SILICA GEL,  MICRO-BEAD SILICA GEL,  COPPER-MODIFIED SILICA GEL,  INDUSTRIAL SILICA SOL
Based on national standard, we formulated our own quality standard, which is even higher.
National Standards We Formulated