What finishes are available for the lock?

Available finishes include Satin Nickel, Antique Brass, Antique Copper, Polish Brass, Chrome Plate, Physical Vapor Deposition, and Matte Black.

What is the warranty period?

We provide a 3-year warranty and after-sales service for this product.

What payment terms are accepted?

We accept D/P, T/T, LC, PayPal, Small-amount payment, and Western Union.

3 Stars Master Keys Security Euro Profile Door Cylinder Lock

Name: 3 Stars Master Keys Security Euro Profile Door Cylinder Lock
Brand: TOPUNION HARDWARE AND PLASTIC CO., LIMITED
SKU: 1924081331

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.

CL303

Material

Brass

Type

Key Lock

Style

Modern

Shape

Mortise Door Lock

Anti-theft Standard

Part

Key

Backset

60mm

Door Thickness Fits

35-50mm

Lock Cylinder Length

Based on Customer's Requirements

Usage

Household Door Locks

Function

Normal/ Bathroom/ Emergency, etc

Standard

BS En1303

Application

Residential or Commercial Building

Keyway

Can Be Customized

5 or 6pin, 7pin, 10pin, 12pin Available

Degree

0 or 30 Degree Cam Options

Transport Package

White Box

Specification

Refer to Sample

Trademark

Customisable

Origin

China

HS Code

8301600000

Production Capacity

500000PCS/Year

Key features

Customizable Pin & Keyway: Keyway can be customized; 5-12 pin options available for master key systems.

OEM/ODM Solutions: Full customization from samples or designs with 72-hour R&D support.

EN1303 Certified: Passed EN1303 high security testing; ISO9001 quality system compliance.

Flexible Cam Options: 0 or 30 degree offset cam options to inhibit knock-through attacks.

High Production Capacity: 150,000 pcs monthly capacity with 100% finished product inspection.

Premium Brass Material: Solid brass construction with various finishes like satin nickel and chrome.

Master Key Systems: Supports Master, Grand Master, Construction, and Keyed Alike functions.

Wide Application Fit: Fits 35-50mm door thickness; suitable for wooden, metal, and interior doors.

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: ≤9.65h

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.

Product Q&A

Q:Can the keyway and pins be customized?

Yes, the keyway can be customized. We offer 5, 6, 7, 10, or 12 pin options to suit your specific security requirements.

Q:What is the lead time for orders?

The standard lead time is 30-45 days depending on quantity. Urgent orders can be available in 20 days.

Q:What certifications does this lock have?

The lock has passed EN1303 high security testing and is manufactured under the ISO9001 quality system.

Q:Is OEM or ODM service available?

Yes, we provide OEM and ODM solutions with full customization from samples or designs, supported by our R&D team within 72 hours.

Q:What is the minimum order quantity?

The minimum order quantity is 1 piece.

Send Inquiry

*To: