What is the warranty period for this product?

We provide a 3-year warranty for after-sales service.

What is the minimum order quantity (MOQ)?

The MOQ is 100 pieces, though the company policy states a minimum of 1 piece is accepted.

100kgs Heavy Duty Zinc Alloy Construction Hardware Black 3D Adjustable Concealed Hinge

Name: 100kgs Heavy Duty Zinc Alloy Construction Hardware Black 3D Adjustable Concealed Hinge
Brand: TOPUNION HARDWARE AND PLASTIC CO., LIMITED
SKU: 1927772801

Guangdong, ChinaTOPUNION HARDWARE AND PLASTIC CO., LIMITED

US$15.00-20.00

100 Pieces

Sample price:US$15.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

3 Years

Warranty

3 Years

Model NO.

IH100-Z

Type

180°Hinge

Finish

PVD etc.

Material

Zinc Alloy

Maximum Door Load

100 Kg

Lead Time

45-60 Days

Logo

Laser on Decorative Cover

Application

Interior Doors / Flush Doors / Wooden Doors

Door Type

Wooden Door / Aluminum Door / Steel Door

Door Thickness

Min. 38 mm / 40 mm / 45 mm

Adjustment Type

Vertical/Horizontal/Depth Adjustment

Adjustment Method

Allen Key Adjustment

Installation Type

Concealed Installation

Corrosion Test

72h - 168h Salt Spray Test Passed

Transport Package

Plastic Bag+White Box Packing

Specification

Refer to Sample

Trademark

OEM

Origin

China

HS Code

8302410

Production Capacity

500000PCS/Year

Key features

Heavy Duty Load Capacity: Supports up to 100kg door weight with maximum 180-degree opening angle.

3D Adjustable Design: Enables vertical, horizontal, and depth adjustments using an Allen key.

Superior Corrosion Resistance: Passed 72 to 168 hours salt spray test for long-lasting durability.

Premium Material Options: Constructed from Zinc Alloy with SS304 stainless steel available.

Comprehensive After-Sales Support: Includes 3-year warranty covering mechanical defects and parts.

Customization Services: Offers OEM/ODM, customized logos, and flexible design options.

Versatile Application: Suitable for wooden, steel, aluminum, and folding doors.

Professional Manufacturing: 14 years of experience with full R&D and QC inspection capabilities.

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: ≤8.36h

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.