
Professional Padlock Manufacturer-Full Material Range for Every Security Need
GMB provides aluminium, iron, brass, stainless steel, and zinc alloy padlocks—plus combination and chain locks—for industrial, commercial, and personal security. Trusted by global buyers for quality, durability, and OEM flexibility.
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Comprehensive Padlock Range by Material
At GMB, we manufacture a full spectrum of high-quality padlocks favoured by industrial, commercial and retail clients worldwide. From aluminium alloy and iron to brass, stainless steel/steel and zinc alloy — plus luggage combination locks and heavy duty chain locks — our diverse material portfolio delivers tailored security solutions with OEM flexibility and proven export performance.
Key Advantages of Our Padlock Range
We deliver certified quality, not just promises.
Reliable Quality & Material Consistency
All padlocks are produced with strict QC and certified materials, ensuring stable performance, corrosion resistance, and long-term durability in every batch.
OEM Flexibility & Custom Options
Support for custom sizes, logos, key systems, and finishes helps distributors meet diverse market needs with private-label or bulk-order precision.
Enhanced Security & Durability Design
Each padlock features hardened shackles, anti-cut and anti-drill structures, and weatherproof coatings for superior protection in demanding environments.

Where Our Padlocks Deliver Reliable Security
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GMB OEM Service
Consultation & Solution Design
We analyze your specific market needs and compliance requirements (EN, ANSI) to co-design a custom smart lock solution, from function to appearance.
Certified Manufacturing & Testing
Our ISO 9001/14001 facilities manufacture your product, verified by our internal GMB Testing Center and certified by third-party bodies like BSI.
Global Logistics & Support
We manage the entire supply chain, delivering your "de-risked," fully certified hardware globally, backed by our dedicated after-sales support team.
About GMB (Why Choose Us)
With a strong background over 15 years in hardware locks industry, GMB has established long-term business relations with the relevant companies in many countries and regions, such as USA, Britain, Germany, France, Poland, Belgium, Spain, Mexico and Russia etc. We have constantly expanded business and volume has increased year by year.
Certified Quality Assurance
ISO-certified factory with full QC process ensuring every padlock meets global performance and durability standards.
In-House QC Laboratory
Advanced testing equipment and professional lab team guarantee material strength, corrosion resistance, and long-term reliability.
Extensive Export Experience
Supplying security hardware to 30+ countries with reliable shipping, stable quality, and trusted customer partnerships.
OEM & Custom Capability
Flexible padlock design, logo, and packaging customization to match distributors’ market requirements and branding.
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Get Touch With Us

Contact Info
If you have any questions or requirements regarding solutions, please feel free to contact our customer service team.
86 51082717655
info@gmbsino.com






