All Nature Flooring products are responsibly harvested to ensure they are legally sourced and logged, and comply with formaldehyde emission standards set forth by the SGS Consumer Testing Services/California Air Resources Board. Nature Flooring meets standards set by the Programme for the Endorsement of Forest Certification, the world's largest forest certification system. Nature Flooring was the first Chinese hardwood flooring company to earn Forest Stewardship Council certification, signifying its products come from well-managed forests.