What stainless steel grade do you use?

We mainly use SUS304; some items can be SUS201.

Do you have salt spray testing?

Yes, usually over 48 hours, sometimes more than 72 hours.

Can you send samples before I place an order?

Yes, we offer free samples, but you cover the freight.

Negotiable, but normally 1000 pairs/model/color for Aluminium and 500 for zinc.

Classical Style Round Door Lock Handle Set Stainless Steel Keyed Entry Door Hardware

Name: Classical Style Round Door Lock Handle Set Stainless Steel Keyed Entry Door Hardware
Brand: Wenzhou Haoguan Lock Technology Co., Ltd
SKU: 2265783195

Zhejiang, ChinaWenzhou Haoguan Lock Technology Co., Ltd

US$3.00

3,000 Sets

Product profile

Customization

Available

After-sales Service

1 Year

Warranty

1 Year

Model NO.

L550

Material

Aluminum Alloy

Type

Closed Type

Shape

Round

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

Customizable Design: Offers full customization including shape, finish, and cylinder options to match specific needs.

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

Adjustable Door Fit: Accommodates door thickness from 35mm to 50mm with adjustable backsets of 60mm or 70mm.

Reversible Handing: Fully reversible design suitable for both left-hand and right-hand door installations.

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

Comprehensive Warranty: Includes a 5-year warranty and 1-year after-sales service for quality and operational support.

OEM/ODM Capability: Accepts OEM and ODM orders with flexible customization from samples or designs.

Salt Spray Resistance: Undergoes salt spray testing for over 48 to 72 hours ensuring corrosion resistance.

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: ≤1.51h

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.