How durable is the lock in terms of usage cycles?

The product has undergone an internal cycle test of 400,000 times to ensure high durability and reliability.

What is the warranty period for this product?

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

What standards are your products manufactured according to?

Our products are designed and manufactured in accordance with EN/DIN or ANSI standards.

Passage/ Privacy Function Door Lock Door Latch Tubular

Name: Passage/ Privacy Function Door Lock Door Latch Tubular
Brand: TOPUNION HARDWARE AND PLASTIC CO., LIMITED
SKU: 1929088361

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

Customized

Usage

Door Latch

Lever Degree

28/45/60/90 Degrees

Function

Privacy and Passage and Deadbolt Function Availabl

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

China

HS Code

831600000

Production Capacity

100, 000 PCS/Month

Key features

Premium Material Construction: Brass tongue, SS304/SS201 faceplate, steel hub and case for durability.

Flexible Lever Degrees: Available in 28, 45, 60, or 90 degrees to suit various door requirements.

Dual Backset Options: Supports both 60mm (2 3/8') and 70mm (2 3/4') backsets.

Versatile Function Modes: Offers Privacy, Passage, and Deadbolt functions for different security needs.

High Cycle Durability: Tested for 400,000 internal cycles to ensure long-term reliability.

Customizable Dimensions: Door thickness and lock cylinder length can be customized to fit.

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

Strict Quality Control: ISO9001 certified with 100% inspection and professional QC team.

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: ≤10.99h

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.