What's the stainless steel Grade you're using?

Mainly SUS304; some items are available in SUS201.

Do you conduct salt spray tests?

Yes, typically over 48 hours, some exceed 72 hours.

Can you send a sample before I order?

Yes, free samples are available; however, you must cover the shipping cost.

Negotiable, usually 1000 pairs/model/color for Aluminum, 500 for zinc alloy handles.

High-Security Mortise Handle Door Lock Cylinder for Efficient Access

Name: High-Security Mortise Handle Door Lock Cylinder for Efficient Access
Brand: Wenzhou Haoguan Lock Technology Co., Ltd
SKU: 2274604965

Zhejiang, ChinaWenzhou Haoguan Lock Technology Co., Ltd

US$5.00-10.00

500 Sets

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

L550

Material

Aluminum Alloy

Type

Single Type

Shape

Square

Style

European Antique Style

Lock

Without Lock

Installation Type

Surface Installation

Surface Treatment

Electrofacing

Color

Ab Mab Sn MSN AC Mac Gp Sn/Cp Cp MB

Usage

Door, Furniture

Customized

Quality Grade

Middle

OEM/ODM

Yes

Delivery Time

30days After Deposit

Feature

Easy Installation

Transport Package

Color Box

Specification

door handle Rosette

Trademark

PRADEL

Origin

China

HS Code

8302410000

Production Capacity

1000000 Pieces/Year

Key features

High Security Certification: Holds Security Level A certification with premium key components to thwart unauthorized picking.

Adjustable Door Thickness: Accommodates door thickness from 1-3/8 to 1-3/4 inches (35mm to 45mm) as standard.

Reversible Handing: Fully reversible design suitable for both left and right hand doors.

Customizable Cylinder: Lock body and cylinder are available in optional or customized configurations.

Durable Material Options: Constructed from high-quality iron, stainless steel (SUS304/SUS201), aluminum, or zinc alloy.

Multiple Finish Options: Available in Matte Antique Brass, Chrome, Silver, PVD, and other finishes to match decor.

Salt Spray Resistance: Undergoes salt spray tests typically over 48 hours, with some exceeding 72 hours.

OEM and ODM Services: Specializes in OEM and ODM with flexible customization from samples or designs.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceIn-stock Capacity

Wenzhou Haoguan Lock Technology Co., Ltd

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 2 years CertifiedNearest Port: Ningbo port, shanghai portAverage Response Time: ≤1.33h

AI-Powered supplier vetting

SummaryThe supplier is identified as a professional technical supplier focused on door locks, door handles, and hardware accessories. It supports extensive customization, ODM, and OEM services and reported new products during the past year. Production is organized across two lines, with finished-product inspection instructions reportedly followed uniformly, and the supplier has inventory capability. However, no valid manufacturing-capacity contract with related subcontractors, overseas warehouse, showroom, agent, branch, or 3D software design service is reported. Financial records are referenced for 2022–2024, but no financial results are provided. The supplier reports OEM service for popular brands, but no specific customer names or documented cases are disclosed. No factory environmental impact assessment report is available.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier. Its stated business scope includes hardware, metal products, electromechanical equipment, electronic products, and import/export activities, while its production lines focus on door locks, door handles, and related hardware.

CertificationsThe available information states that the supplier has no factory environmental impact assessment report. No other certification, license, or accredited management-system certification is provided, so certification coverage cannot be fully assessed.

R&D capabilityThe supplier reports new products during the past year and provides ODM services, supporting product-development capability. It does not provide 3D software design services and has no available SDK, so digital design and integration capabilities are limited in the stated areas.

Production capacityTwo production lines manufacture knob door locks, tubular door locks, deadbolt locks, door handles, and other hardware. The supplier reports inventory capability, uniformly followed finished-product inspection instructions, and one-month average lead times; however, it has no valid manufacturing-capacity contract with related subcontractors.

Customization capabilityThe supplier explicitly supports customization from samples, full customization, customization from designs, flexible customization, and minor customization. It also reports ODM and OEM capability, providing strong evidence of adaptable product-development and manufacturing support.