Certifications & Patents
Independently verified standards covering factory operations, pet-safe materials and structural innovation.
Factory & Social Compliance
Our factory and working practices are supported by management-system and social-compliance documentation for customer review.



Cardboard Material Reports
Material reports help brands review the safety and compliance references behind our corrugated cardboard products.



Glue & Component Reports
The adhesive and supporting components are part of the product system, so we keep their documentation visible as well.



Compliance, by category.
Quality management
Production runs under a documented quality management system covering incoming material, in-process and final inspection.
Material safety
Corrugated board and water-based inks selected for pet-contact safety; test reports available for buyer verification.
Environmental
Recyclable kraft substrate and responsible sourcing — supporting your product's eco claims with traceable documentation.
Design patents
Original Zhizao shapes and structures are protected by design patents — you can license them with confidence, or develop fully custom IP under NDA.
Audit-ready
Factory documentation organized for third-party audits and retailer onboarding — we'll support your compliance team throughout.

Protected designs you can trust
Our R&D team files design and utility patents on distinctive structures, giving partner brands defensible, exclusive-looking products. We also support co-development where IP is shared or assigned to the client.
Send us your checklist.
Every retailer's compliance pack looks a little different. Tell us what your QA team needs — test reports, declarations, factory audits — and we'll assemble a tailored document set for your file.