Does the lock support master key systems?

Yes, it supports Master Key, Grand Master Key, Construction Key, and Keyed Alike systems.

What certifications does the product have?

The product has passed EN1303 high security cylinder testing and meets European standards.

What is the minimum order quantity?

The minimum order quantity is 1 piece, allowing for flexible purchasing.

Brass Master Key Cylinder Lock Body Cylinder Door Lock

Name: Brass Master Key Cylinder Lock Body Cylinder Door Lock
Brand: TOPUNION HARDWARE AND PLASTIC CO., LIMITED
SKU: 757606252

Guangdong, ChinaTOPUNION HARDWARE AND PLASTIC CO., LIMITED

US$3.50-4.50

100 Pieces

Product specifications

251813

Sample price:US$3.50/piece.Request sample

Product profile

Customization

Available

After-sales Service

3 Years

Warranty

3 Years

Model NO.

CL001

Material

Brass

Type

Key Lock

Style

European

Shape

Mortise Door Lock

Anti-theft Standard

Part

Backset

60mm

Door Thickness Fits

35-50mm

Lock Cylinder Length

Refer to Requirement

Usage

Household Door Locks, Bedroom

Housing

Brass

Core

Brass

Key

Brass

Keyway Option

Schlage, Computer, Ect. Could Be Cu

Offset Cam Start Angle

30°

Finish

Snp

Transport Package

White Box Packing

Specification

Refer to Sample

Trademark

OEM

Origin

China

HS Code

8301600000

Production Capacity

500000PCS/Year

Key features

EN1303 Certified Security: Passed EN1303 high security cylinder testing for reliable household protection.

Customizable Keyway: Keyway options include Schlage, Computer, and others to suit specific needs.

Flexible Finish Options: Available in Satin Nickel, Antique Brass, Antique Copper, Chrome, PVD, and Matte Black.

Master Key System: Supports Master, Grand Master, Construction, and Keyed Alike configurations.

Solid Brass Construction: Housing, core, and keys are made of solid brass for durability and anti-theft.

OEM/ODM Service: Full customization from samples, designs, or minor adjustments with 72-hour R&D.

Wide Application Range: Fits wooden, metal, interior, and exterior doors with thickness 35-50mm.

High Production Capacity: 150,000 pcs monthly output with 100% QC inspection for consistent quality.

Company profile

High Repeat Buyers ChoiceExhibition ExperienceStandardized quality controlManagement Certification

TOPUNION HARDWARE AND PLASTIC CO., LIMITED

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 4 Years CertifiedNearest Port: Shenzhen Port, Guangzhou PortAverage Response Time: ≤8.19h

AI-Powered supplier vetting

SummaryTopunion Hardware & Plastic Co., Limited is identified as a professional architectural hardware manufacturer established in 2002, with stated manufacturing, R&D, sales, and customer-service capabilities. Evidence supports broad customization, 3D software design, OEM/ODM, and multiple machining and testing facilities. The supplier reports quality assurance, documented corrective-action and complaint-handling procedures, and ISO9001:2015 certification. Production information includes specified outputs for several hardware products and peak-season fulfillment within 15 workdays. Export sales represent 71%–90% of total sales, with four years of export experience. Financial records are referenced for 2021–2023, but no substantive financial results are provided. Innovation capability is mixed: R&D and design services are documented, while SDK availability is explicitly absent. No factory environmental impact assessment report is available, although this does not directly determine the requested fields.

Supplier typeThe supplier is explicitly described as a professional technical supplier and professional architectural hardware manufacturer. Its stated scope covers hardware development, manufacturing, wholesale, security equipment, plastic products, and related import/export activities, indicating a manufacturing-oriented supplier with product-development capability.

CertificationsThe company states that its products are designed and manufactured according to ANSI or EN/DIN standards, and it holds an ISO9001:2015 certificate. These are explicit indications of standards alignment and quality-management certification.

After-Sales capabilityThe supplier reports clear procedures and followed records for corrective and preventive actions and customer-complaint handling. Its company description also lists customer service as part of its operating capabilities, providing direct evidence of an organized after-sales process.

R&D capabilityThe supplier reports R&D capability, 3D software design services, hardware product development, OEM/ODM, and extensive customization. However, SDK availability is explicitly marked as unavailable, so the evidence supports product and design innovation but not SDK-based development.

Production capacityProduction capability is supported by stated machining, stamping, cutting, drilling, welding, milling, CNC, packing, riveting, and testing facilities, along with specified outputs for sliding-door rollers, lever handles, and pull handles. The supplier also reports peak-season order fulfillment within 15 workdays, indicating documented manufacturing capacity and delivery capability.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also states that customized logos and packaging, OEM, and ODM are available, demonstrating broad product and branding customization support.