What is the lead time for production?

Lead time is within 15 workdays during off-peak season and one month during peak season.

What materials are used for this hinge?

The hinge is made of iron with a zinc-plated finish.

What is the after-sales service policy?

We provide online after-sales service support.

2D Adjustable Iron Koblenz Hidden Swing Door Concealed Invisible Hinge

Name: 2D Adjustable Iron Koblenz Hidden Swing Door Concealed Invisible Hinge
Brand: Hubei Shengang Intelligent Technology Co., Ltd.
SKU: 1976766511

Hubei, ChinaHubei Shengang Intelligent Technology Co., Ltd.

US$14.28

30-499 Pieces

US$13.10

500-999 Pieces

US$11.40

1,000+ Pieces

Sample price:US$20.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

Online

Warranty

2 Years

Model NO.

SG-koblenz

Type

180°Hinge

Finish

Zinc Plated

Material

Iron

Max Door Weight

40kg/2PCS

Door Thickness

35mm

Function

off-Set

Transport Package

White Inner Boxes, Yellow-Brown Outer Cartons

Specification

25*70*135mm

Trademark

Origin

China

Production Capacity

10000/Month

Key features

3D Adjustable Design: Hidden hinge with 3D adjustability for door thickness above 36mm.

Heavy Duty Capacity: Supports door weight up to 40kg per pair of hinges.

2-Year Warranty: Comprehensive 2-year warranty coverage for mechanical defects.

Online After-Sales Support: Dedicated online service team for technical assistance and inquiries.

OEM/ODM Services: Full customization and flexible customization options available.

High Precision Construction: Advanced manufacturing prevents door droop compared to low-end products.

ISO9001 Certified: Manufacturing process certified under ISO9001:2015 standards.

100% Quality Inspection: Every finished product undergoes visual and functional inspection.

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: ≤0.54h

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