What is the minimum order quantity?

The minimum order quantity is 1 piece.

What are the payment terms?

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

What is the production lead time?

The production time is 30-40 days. Peak season lead time is within 15 workdays to one month, and off-season is within 15 workdays to one month.

Latch Bolt Tubular Knob Lock for Bathroom Door

Name: Latch Bolt Tubular Knob Lock for Bathroom Door
Brand: TOPUNION HARDWARE AND PLASTIC CO., LIMITED
SKU: 704163031

Guangdong, ChinaTOPUNION HARDWARE AND PLASTIC CO., LIMITED

US$4.80

100-299 Pieces

US$4.30

300-999 Pieces

US$4.00

1,000+ 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

Function

Privacy and Passage Function Available

Lever Degree

28/45/60/90 Degrees

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 backset

Trademark

OEM

Origin

Jiangmen

HS Code

83016

Production Capacity

100, 000 PCS/Month

Key features

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

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

Flexible Function Modes: Supports both Privacy and Passage functions with lever degrees of 28/45/60/90 degrees.

High Cycle Durability: Internal cycle tested for 400,000 times to ensure long-lasting performance and reliability.

Customizable Door Fit: Door thickness and lock cylinder length are customized to match specific installation needs.

OEM/ODM Solutions: Provides full customization including logo, faceplate options, and design from samples or drawings.

Strict Quality Control: ISO9001 certified with 100% finished product inspection including visual and function tests.

Standard Compliance: Designed and manufactured according to EN/DIN or ANSI standards for international quality.

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: ≤7.61h

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.