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Premium Heavy Duty Invisible Hinges & SOSS Hinges

Manufactured in China with precision engineering, corrosion resistance, and 180° rotation. Trusted by furniture makers, cabinet builders, and architects worldwide.

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Who We Are

Guangzhou Koshile Hardware Products Co., Ltd., established in 2000, has grown into a leading enterprise in the home decoration building materials and furniture hardware industry. We specialize in the research, development, manufacturing, and export of high-performance invisible hinges, SOSS hinges, concealed door hardware, and related fittings.

Our factory integrates advanced production lines, strict quality control systems, and a global logistics network to deliver durable, rustproof, and wear-resistant hardware solutions to over 50 countries.

20+
Years of Experience
38+
Heavy Duty Models
50+
Countries Served
ISO
Certified QC
Invisible Hinge Close-Up

Our Premium Products

Explore our wide range of heavy-duty invisible hinges, SOSS hinges, concealed mortise hinges, and furniture hardware designed for durability, smooth operation, and seamless integration.

Satin Nickel Finish Heavy Duty Invisible Hinge

Satin Nickel Finish Heavy Duty Invisible Hinge

  • Rotation: 180°
  • Material: Zinc Alloy
  • Finish: Satin Nickel
  • Use: Cabinet & Wooden Doors
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Moistureproof Heavy Duty Hidden Hinges

Moistureproof Heavy Duty Hidden Hinges

  • Feature: Corrosion Resistant
  • Use: Bathroom & Kitchen Cabinets
  • Waterproof: Yes
  • Material: Zinc Alloy
Get Best Price
Flexible Invisible Internal Door Hinges

Flexible Invisible Internal Door Hinges

  • Feature: Anticorrosive & Soundproof
  • Rotation: 180°
  • Use: Interior Doors
  • Mount: Mortise
Get Best Price
Anticorrosive Stainless Steel Concealed Hinges

Anticorrosive Stainless Steel Concealed Hinges

  • Material: Stainless Steel
  • Finish: Silver Waterproof
  • Use: Outdoor & Humid Areas
  • Feature: Wear Resistant
Get Best Price
Stainless Steel Cabinet Heavy Duty Invisible Hinge

Stainless Steel Cabinet Heavy Duty Invisible Hinge

  • Material: Stainless Steel
  • Surface: Sand Chromium
  • Weight: Lightweight
  • Use: Heavy Cabinet Doors
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Sturdy Concealed Hinges for Heavy Doors

Sturdy Concealed Hinges for Heavy Doors

  • Load Capacity: High
  • Rotation: 180° Swing
  • Mount: Mortise
  • Feature: Durable & Rustproof
Get Best Price
Adjustable Durable SOSS Invisible Hinge

Adjustable Durable SOSS Invisible Hinge

  • Type: SOSS Invisible
  • Adjustable: Yes
  • Rotation: 180°
  • Use: Frameless Cabinets
Get Best Price
Waterproof Cabinet Stainless Steel Concealed Hinges

Waterproof Cabinet Stainless Steel Concealed Hinges

  • Material: Stainless Steel
  • Feature: Corrosion Resistant
  • Use: Kitchen & Bathroom
  • Finish: Silver Waterproof
Get Best Price
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Why Choose Our Hinges?

Engineered for performance, durability, and seamless integration in modern furniture and architectural applications.

Corrosion Resistant

Advanced surface treatments including satin nickel, chrome, and zinc plating ensure long-term rust and moisture resistance.

180° Rotation

Full-range motion for easy access and smooth operation, ideal for cabinets, wardrobes, and internal doors.

Heavy Duty Load

Designed to support heavy doors and cabinets with reinforced construction and durable materials.

Long Lifespan

Tested for over 50,000 cycles, ensuring reliability and performance in commercial and residential use.

38+
Heavy Duty Models
22+
SOSS Hinge Types
100K+
Units Shipped
50+
Countries Served

Frequently Asked Questions

What is an invisible hinge?

An invisible hinge, also known as a concealed or hidden hinge, is mounted inside the door and cabinet so it's not visible when the door is closed. It provides a clean, modern look.

Are your hinges suitable for outdoor use?

Yes, our stainless steel and zinc alloy models with waterproof and anticorrosive treatments are ideal for outdoor and humid environments like bathrooms and kitchens.

Can I adjust the hinge after installation?

Many of our models, especially the adjustable concealed and 3D hinges, allow for precise alignment in three dimensions (up/down, left/right, in/out).

What materials are used in your hinges?

We use high-grade zinc alloy and stainless steel (SUS202, SUS304), with surface treatments like satin nickel, chrome, gold, and zinc plating for durability and aesthetics.

Do you offer OEM/ODM services?

Yes, Guangzhou Koshile Hardware offers full OEM and ODM services, including custom sizes, finishes, packaging, and branding.

Get in Touch

For quotes, samples, or technical support, visit our official website to connect with our sales team.

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