What is the warranty period for this product?

We provide a 3-year warranty and 3 years of after-sales service.

Is OEM or ODM service available?

Yes, we offer full OEM/ODM solutions including customization from samples and designs.

What is the production lead time?

The standard production time is 30 to 40 days.

28 Degree Rotation Passage Latch 2-3/8 Backset Tubular Door Lock

Name: 28 Degree Rotation Passage Latch 2-3/8 Backset Tubular Door Lock
Brand: TOPUNION HARDWARE AND PLASTIC CO., LIMITED
SKU: 1965227941

Guangdong, ChinaTOPUNION HARDWARE AND PLASTIC CO., LIMITED

US$4.50

100-499 Pieces

US$4.00

500+ Pieces

Sample price:US$0.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

3 Years

Warranty

3 Years

Model NO.

L001

Material

Brass

Type

Latch

Style

Modern

Shape

Tubular Latch

Anti-theft Standard

Part

Lock

Backset

T 60mm(2 3/8") and Backset 70mm(2 3/4") Available

Door Thickness Fits

Customized

Lock Cylinder Length

Customrized

Usage

Door Latch

Function

Privacy and Passage Function Available

Cycle Test

Internal Cycle Test 400, 000 Times

Application

Residential Building

Logo

Laser or Stamped

Production Time

30~40 Days

Faceplate& Strike Plate

Ss201/ SS304 Options

Transport Package

White Box Packing

Specification

Refer to requirement

Trademark

OEM

Origin

Jiangmen

HS Code

8301600000

Production Capacity

100, 000 PCS/Month

Key features

High Cycle Durability: Internal cycle test passed 400,000 times for long-lasting performance.

Dual Backset Options: Available in 60mm (2 3/8") and 70mm (2 3/4") backsets to fit various doors.

Premium Material Build: Constructed with brass tongue, steel hub, and SS304 or SS201 faceplate.

Flexible Function Modes: Supports both Privacy and Passage functions for versatile usage.

Customizable Door Thickness: Door thickness fits can be customized to meet specific requirements.

Custom Cylinder Length: Lock cylinder length is available in customized specifications.

Comprehensive Warranty: Covers 3 years of after-sales service and warranty protection.

OEM/ODM Solutions: Full customization including logo, design, and samples with 72-hour R&D support.

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: ≤8.60h

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.