Does the lock support master key functionality?

Yes, the key functions include master key capability for enhanced access control.

What is the structure of the lock body?

The lock body features a quad structure with a multiple bolt design for maximum security.

What payment terms are accepted?

We accept LC and T/T as terms of payment.

High Security Door Lock/ Brass Rim Cylinder (GMB-CY-16)

Name: High Security Door Lock/ Brass Rim Cylinder (GMB-CY-16)
Brand: Wuxi GMB International Corporation
SKU: 844285455

Jiangsu, ChinaWuxi GMB International Corporation

US$2.00

500 Pieces

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

5 Years

Warranty

5 Years

Model NO.

GMB-CY-16

Material

Brass

Type

Thumb Turn Rim Lock Cylinder

Lock Cylinder Level

Supper B

Lock Cylinder Style

American Screw Style

Lock Body Structure

Multiple Bolt

Lock Body Type

Quad

Key Type

Single Row Anti Dialing Key

Key Functions

Master Key

Key Level

Surface Treatment

Electroplating

Transport Package

Carton Box

Trademark

GMB

Origin

China

HS Code

83013000

Production Capacity

100, 000, 000

Key features

Premium Brass Material: Crafted from high-quality brass for superior corrosion resistance and durability.

5-Year Warranty Coverage: Comprehensive 5-year warranty and after-sales service for long-term peace of mind.

High Security Level: Supper B lock cylinder level with C key level and master key functionality.

Versatile Application: Suitable for both residential and commercial doors with seamless system integration.

Ergonomic Design: Thumb turn style with smooth operation and comfortable grip for easy access.

Robust Construction: Multiple bolt structure with quad lock body type for impenetrable security.

Electroplated Finish: Professional electroplating surface treatment ensures elegant appearance and wear resistance.

Fast Delivery Options: Lead time of one month in off-peak season and 1-3 months during peak season.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Wuxi GMB International Corporation

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-04-09Nearest Port: ShangHaiAverage Response Time: ≤3.85hTerms 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.