What is the lead time for production?

The lead time is within 15 workdays during the off-season and one month during the peak season.

What is the thickness of the door this hinge fits?

It is designed for invisible doors with a thickness of 30mm.

3D Adjustable Hidden Concealed Hinge for Thickness 30mm Invisible Door

Name: 3D Adjustable Hidden Concealed Hinge for Thickness 30mm Invisible Door
Brand: Hubei Shengang Intelligent Technology Co., Ltd.
SKU: 2127083762

Hubei, ChinaHubei Shengang Intelligent Technology Co., Ltd.

US$7.50

50-999 Pieces

US$7.00

1,000-9,999 Pieces

US$6.50

10,000+ Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online

Warranty

2 Years

Model NO.

3040

Type

180°Hinge

Finish

Zinc Plated

Material

Zinc Alloy

Max Door Weight

40kg/2PCS

Door Thickness

30mm

Transport Package

White Inner Boxes, Yellow-Brown Outer Cartons

Specification

18*21*140mm

Trademark

Origin

China

Production Capacity

100000/Month

Key features

High Load Capacity: Supports up to 40kg per pair, preventing droop issues common in low-end products.

Durable Zinc Alloy Material: Constructed from high-quality zinc alloy with zinc plating for long-lasting performance.

Comprehensive Warranty: Includes a 2-year warranty covering mechanical defects and ensuring product reliability.

OEM/ODM Services: Offers full customization, minor adjustments, and sample-based design services.

Invisible Concealed Style: Designed to be hidden within the door for a sleek, modern aesthetic.

Strict Quality Control: 100% visual and functional inspection on finished products before shipment.

Global Market Presence: Products exported to over 200 countries with long-term cooperation with European and American enterprises.

Company profile

Fast DeliveryCustomization from SamplesStandardized quality controlQuality Assurance

Hubei Shengang Intelligent Technology Co., Ltd.

Hubei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 2 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤0.72h

About Our Factory & Business Background

AddressBuilding 2, Baiqing Road, High-Tech Industrial Park, Pingshan Village, Daping Township, Xianning, Hubei, China

Registered Capital10,000,000 RMB

Terms of PaymentLC, T/T, D/P, PayPal, Western Union, Small-amount payment

International Commercial Terms(Incoterms)FOB, CIF, CFR, EXW

Average Lead TimePeak Season Lead Time: one month Off Season Lead Time: within 15 workdays

Minimum Order Quantity100 pieces

Supply Chain Partners1

Our Production Capability & Technical Expertise

Main ProductsInvisible Door Hinge, Door Stopper, Door Closer, Door Lock, Sliding Door Hardware System, Folding Door Hardware System, Butt Hinge, Stainless Steel Hinge, Balcony Door Lock

Production Lines15

Production MachinesCNC machining centre, CNC cutting Machine, Automatic stamping line, Die-casting machine, Chamfering machine, Grinder, Polishing machine, Wire cutting machine, Pressing machine, Milling machine, Grinding machine, Lathe, Drilling and threading machine, Automatic screw packing machine, Assembly line

QA/QC inspectors5 people

Inspection Type for Finished Products100% inspection(Visual inspection & Function inspection)

Inspection Method for Finished ProductsHave instructions and uniformly followed

R&D Engineers2 people

Traceability of Raw MaterialsYes

Own BrandYes