Compliance & Certifications

ISO 9001:2015 Quality Management System
Certified for the design, development, and production of our writing instruments. This guarantees our global clients consistent manufacturing quality and strict adherence to international standards.

Utility Model Patent Certificate
Recognized for innovative structural design in our stationery products. This reflects our strong R&D capabilities and continuous commitment to functional product improvement.

US Design Patent
Officially registered design patent in the United States, protecting our unique product appearances and ensuring exclusive, original designs for our global B2B buyers.

CMA Product Testing & Safety Report
Rigorous laboratory testing certification ensuring our ink and raw materials are non-toxic, eco-friendly, and meet strict global safety standards for stationary export.
Trusted by Global Sourcing Teams
From product development to compliance documentation, ZH Stationery supports B2B buyers with reliable pen and marker manufacturing, flexible customization, and market-ready quality control.