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High Security Outer Door Lock/Heavy Duty Lock Body/Mortise Door Lock (257L)
US$4.00-6.00
500 Pieces
Sample price:US$6.00/piece.Request sample
Product profile
Customization
AvailableAfter-sales Service
5 YearsWarranty
5 YearsModel NO.
257LMaterial
IronType
Key LockStyle
EuropeanShape
Mortise Door LockAnti-theft Standard
APart
LockBackset
60mmDoor Thickness Fits
35-50mmLock Cylinder Length
Key OpenUsage
Household Door LocksAvailable Finish
Chrome Plated, Nickel PlatedTransport Package
Carton BoxTrademark
GMBOrigin
ChinaHS Code
83013000Production Capacity
30, 000, 000 PCS/YearKey features
Heavy Duty Steel Dead Bolt: Robust construction with steel dead bolt for superior forced entry resistance.
Anti-Drill Shell Design: Enhanced security features protect against drilling attacks and forced entry.
5 Brass Keys Included: Comes with 5 high-quality brass keys for convenient access and redundancy.
Customizable Plating Finish: Available in Chrome Plated or Nickel Plated finishes to match door aesthetics.
Versatile Door Compatibility: Fits door thicknesses of 35-50mm with a standard 60mm backset.
High Security Certification: Meets Anti-theft Standard A for reliable protection in residential and commercial use.
Company profile
Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-04-09Nearest Port: ShangHaiAverage Response Time: ≤2.93hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CIF
AI-Powered supplier vetting
SummaryGMB demonstrates broad customization, active product development, documented quality and supplier-service procedures, and 100% finished-product inspection. It reports ISO9001:2015 and ISO14001 management certifications, ERP-based operational management, complaint-handling procedures, and five R&D engineers. The supplier also reports OEM service for well-known brands and participation in the 137th China Import and Export Fair. However, it lacks raw-material traceability, overseas showrooms, overseas agents or branches, ODM services, SDK availability, and CRM/SAP integration. Financial records are indicated for 2022–2024, but the provided information does not include substantive financial performance figures, so financial credibility cannot be fully assessed.
CertificationsThe supplier reports ISO9001:2015 and ISO14001 management-system certifications, plus other product-compliance and sustainability certifications. The specific scope and validity of the additional certifications are not provided.
After-Sales capabilityThe supplier states that it provides best after-sales service, has documented corrective/preventive-action procedures, and maintains a documented customer-complaint process. However, it has no overseas showroom or overseas agents/branches, limiting demonstrated overseas service coverage.
R&D capabilityThe supplier reports new products launched in the past year, five R&D engineers, technical R&D support, and extensive design customization. It does not provide ODM services or an SDK, which limits the demonstrated scope of innovation-related offerings.
Production capacityProduction and quality operations are supported by 100% finished-product inspection, four quality assurance/control inspectors, documented supplier-service procedures, ERP integration across production and logistics, and quality-assurance processes. The absence of raw-material traceability is a stated production-control weakness.
Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, minor customization, and flexible customization. These repeated capabilities provide clear evidence of broad customization support.
Client casesThe supplier reports OEM service for well-known brands and participation in the 137th China Import and Export Fair. It reports no cooperation with Fortune 500 companies, and no specific customer names or project details are provided.
Product Q&A
Q:What is the warranty period for this lock?
A:
The product comes with a 5-year warranty and after-sales service.
Q:What materials are used in the lock body?
A:
The lock body is made of iron with a steel dead bolt and features CP plating on the front plate.
Q:What door thicknesses does this lock fit?
A:
It is designed to fit door thicknesses ranging from 35mm to 50mm.
Q:Can I customize the finish of the lock?
A:
Yes, the finish is customizable. Options include Chrome Plated and Nickel Plated.
Q:Is this lock suitable for both home and business use?
A:
Yes, it is designed for both household and commercial door security applications.
Send Inquiry
*To:
Wuxi GMB International Corporation
Wuxi GMB International Corporation*Content:
Supplier replies will be sent to your registered email
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