About GNZA
Driving Innovation in Luggage Manufacturing Since 1991
Our Story
Zhejiang Yinzuo Cases & Bags Co., Ltd. (GNZA) was established in 1991 as one of the earliest luggage enterprises in the Wenzhou area.
Today, we stand as one of China's largest hard case manufacturers, strategically located in Pinghu City, Zhejiang – the heart of China's luggage production base.
Our facility spans 66,000 m² with 107,000 m² of building area, housing nearly 1,000 professionals across 20 lines. We serve global brands including Samsonite, Travelite, Wenger, Swiss Military, and Netease.
Smart Manufacturing
Industry 4.0 implementation with IoT sensors, real-time monitoring, and predictive maintenance
Advanced Materials
Expertise in ABS, PC, and PP processing with precision molding and quality control systems
Our Journey
1991
Company Founded
GNZA established in Wenzhou, beginning our journey in luggage manufacturing
2005
Expansion Phase
Moved to Pinghu City, Zhejiang, expanding production capabilities
2015
Smart Manufacturing
Implemented advanced automation and digital manufacturing systems
2020
Global Recognition
Became preferred supplier for 100+ international brands
2026
Future Vision
New smart factory launch with cutting-edge technology
Our Values
Core principles that drive our commitment to excellence and innovation
Innovation
Continuously pushing boundaries in design and manufacturing technology
Quality
Uncompromising commitment to premium standards in every product
Efficiency
Optimized processes delivering speed without sacrificing quality
Reliability
Trusted partnerships built on consistent performance and integrity
Global Standards Certified
Meeting the highest international standards for quality, social responsibility and ethical manufacturing
Sedex
Ethical supply chain management and responsible sourcing
WRAP
Worldwide Responsible Accredited Production certification
IAF
International Accreditation Forum recognized certification
Amfori
Trade with purpose — social compliance and environmental performance
Control Union
Independent certification for sustainability and quality systems
Carrefour
Carrefour supplier quality and social audit certified