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International Quality Standards
HanStone quartz surfaces comply with multiple international environmental, hygiene, and safety standards:
● Greenguard Certification
● Greenguard Gold Certification
● US Green Building Council
● ISO 19712 (Interntional decorative solid surfacing materials)
● NSF-1R590、NSF-1R591 (Safe for food contact, hygiene-grade)
Low Emissions | Food Safe | Eco-Friendly
Suitable for both residential and commercial applications.
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