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One Stop Solution for Architectural Hardware

YOUR RELIABLE HARDWARE MANUFACTURER – Over 40 Years of Excellence in Door & Window Systems

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About 3H INC.

Established in 1981 and located in Foshan, Guangdong, 3H INC. is a leading private enterprise specializing in the research, development, production, and sale of architectural hardware accessories.

With over 40 years of experience, we have become one of China's largest manufacturers of aluminum door and window accessories, UPVC window handles, and glass curtain wall systems.

Our facility spans over 100,000 square meters and employs thousands of professionals, supported by more than 720 advanced machines producing approximately 8 million pieces monthly.

40+
Years of Experience
100K+
m² Production Area
2000+
Employees
8M
Monthly Output

Our Strength

PROFESSIONAL

40+ years of experience in door and window hardware design and production with comprehensive pre-sale and after-sale technical support.

QUALITY INSURANCE

Certified under ISO9001, ISO14001, OHSAS18001, ASTM, CE, UL, TUV, IAF, ECM, CNAS standards.

ONE-STOP SERVICE

We provide all accessories related to building projects, from handles to full system solutions.

LARGE CAPACITY

Over 720 advanced machines ensure high-volume production with consistent quality and fast delivery.

Featured Products

Window Door System Solution

Window Door System Solution

Comprehensive hardware system solutions for aluminum and UPVC doors and windows, including tilt-turn, lift & slide, bifold, and sliding systems.

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Handle

Handle

Tested for 25,000 repeated opening and closing cycles. Suitable for casement windows, sliding doors, and top-hung windows.

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Hinge

Hinge

Easy installation, fully adjustable, and equipped with buffering mechanism for smooth operation and durability.

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Sliding Lock

Sliding Lock

Endures 20,000 opening/closing cycles with stable performance. Ideal for casement and sliding doors.

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Friction Stay

Friction Stay

Rated for 35,000 repeated cycles. Available in multiple materials for various window types and climates.

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Rubber Seal Strip

Rubber Seal Strip

Annual production capacity of 12,000 tons. EPDM-based with high resistance to temperature, salt, and UV exposure.

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Mortise Lock

High-security locking mechanism designed for aluminum and wooden doors. Precision-engineered for durability and smooth operation.

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Window Hinge

Heavy-duty hinges for tilt-turn and awning windows. Corrosion-resistant and tested for long-term performance.

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Sliding Roller

High-load capacity rollers with smooth glide technology. Ideal for heavy sliding doors and lift-slide systems.

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Other Fittings

Complete range of accessories including corner gears, multi-point locks, stays, and adjustable supports.

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Application Scenarios

Swing Window Hardware System

Casement Door Hardware System

Lift & Sliding Door System

Sliding Door Accessories

Tilt-Turn Window Accessories

Folding Door Hardware

Awning Window Hardware

Sliding Window Accessories

Global Projects

Suvastu Suraiya Trade Center

Bangladesh Suvastu Suraiya Trade Center

Landmark project using aluminum door and window hardware and curtain wall systems from 3H Inc.

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Grand Villa Evaco

Mauritius Grand Villa Evaco

Luxury villa featuring 3H Inc.'s aluminum hardware and rubber sealing strips.

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Inacap Maipu

Chile Inacap Maipu

Popular hardware solution in South America using 3H Inc. aluminum and rubber components.

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Brisbane One

Australia Brisbane One

Landmark project using high-performance EPDM rubber sealing strips resistant to temperature and salt.

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Why Choose 3H INC.?

Certified Quality

Our factory holds ISO9001, ISO14001, OHSAS18001, ASTM, CE, UL, TUV, IAF, ECM, and CNAS certifications.

Global Reach

Trusted by architects and builders in over 80 countries, from Australia to Chile and beyond.

Technical Support

Dedicated pre-sale and after-sale technical assistance to ensure optimal system integration.

High Capacity

Monthly output of 8 million pieces ensures fast delivery and scalability for large projects.

One-Stop Solution

Complete range of architectural hardware from handles to full system integration.

40+ Years Experience

Decades of innovation and reliability in architectural hardware manufacturing.

Frequently Asked Questions

What materials do you use for your hardware?

We primarily use high-grade aluminum, stainless steel, and zinc alloy for durability and corrosion resistance. Our rubber seals are made from EPDM for superior weather resistance.

Are your products certified?

Yes, our factory is certified under ISO9001, ISO14001, OHSAS18001, ASTM, CE, UL, TUV, IAF, ECM, and CNAS standards.

What is your production capacity?

With over 100,000 m² of production area and 720+ advanced machines, we produce approximately 8 million pieces per month.

Do you offer OEM/ODM services?

Yes, we provide comprehensive OEM and ODM services with custom design, packaging, and branding options.

What markets do you serve?

We serve global markets including Australia, South America, the Middle East, Europe, and Southeast Asia.

Get in Touch

For inquiries, technical support, or partnership opportunities, please visit our official website.

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