YOUR RELIABLE HARDWARE MANUFACTURER

3H Inc.,established in 1981, located in Foshan, Guangdong. We are a private enterprise.

With over 40 years' history for research and development, production and sale door and window hardware accessories in aluminium, window handles upvc, glass curtain wall system.

With an area of more than 100,000 square meters and thousands of employees, now, we’re China's one of the largest manufacturers of aluminum door and window accessories...

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OUR STRENGTH

PROFESSIONAL

40+ Years' experiences in door and window hardware design and production; pre-sale and after-sale technical support

QUALITY INSURANCE

are ISO9001, ISO14001, OHSAS18001, ASTM,CE, UL, TUV, IAF,ECM, CNAS certified factory

ONE-STOP SERVICE

All accessories related to building can be provided

LARGE CAPACITY

With more than 100,000 m2 production area and over 2000 staff;720+ advanced machines and monthly output about 8 million pieces

FEATURED PRODUCTS

Window Door System Solution

Kinds of hardware system solutions for full range of aluminium door and window,UPVC door and window,etc..
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Handle

Repeatedly opening and closing for 25,000 times.
Scope of application : Casement Window,Sliding Door and Top-Hung Window
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Hinge

Easy installation,Adjustable,and Buffering
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Sliding Lock

Repeatedly opening and closing 20,000 cycles,the positions of the open and close are normal.
Scope of apllication:Casement door ,sliding dor
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Friction Stay

Repeatedly opening and closing 35,000 times;
Kinds of materials can be provided
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Rubber Seal strip

With the capacity of 12,000 tons per year for sealing rubber strip
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Window Door System Solution
Handle
Hinge
Sliding Lock
Friction Stay
Rubber Seal strip

PROJECTS

Bangaladesh Suvastu Suraiya Trade Center

This project SUVASTU SURAIYA TRADE CENTER SSTC is a square as landmark located in Bangaladesh,which is applied the aluminium door and window hardware and curtain wall hardware system from 3H Inc...
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Mauritius GRAND VILLA Evaco

This project Grand Villa Evaco is a landmark located in Mauritius, which is applied the aluminium door and window hardware and rubber sealing strip from 3H Inc..

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Chile Inacap Maipu

This project Inacap Maipu is located in Chile, which is applied the aluminium door and window hardware and rubber seal strip from 3H .The hardware used in this project is very popular in South America.
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Australia Brisbane one

This project Brisbane one is a landmark located in Australia, which is applied the EPDM rubber sealing strips with good performance and high resistance of temperature,salt,etc..
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APPLICATION SCENARIOS

We have the full range of accessories solution for aluminum window and doors, UPVC window and doors, Glass door controls, curtain wall hardware like tilt-turn window system, opening window and door system, owning window system , sliding window and door system, lift and sliding system, bifold door system...

swing-window-hardware-system

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casement-door-hardware-system

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lift-and-sliding-door-hardware-system

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sliding-door-hardware-system-accessories

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tilt-turn-window-hardware-accessories

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folding-door-hardware-accessories

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awning-window-hardware-accessories

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folding-door-hardware-accessories

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sliding-window-hardware-accessories

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DIGITAL SHOWROOM

If you want to learn more about our manufacturing capabilities, you can click on the avatar in the scene, or accept my invitation!

THE UPDATE NEWS

April 17, 2026

Which Door and Window Hinge Manufacturer Offers Reliable And Durable Quality?

Choosing an original manufacturer (OEM factory) is key to ensuring hinge quality. Manufacturers with in-house production capabilities can strictly control the entire process from raw material procurement to final inspection, avoiding inconsistent quality control often associated with subcontracting or rebranding

April 20, 2026

Unceasing Excitement, Continued Splendor | 3H Building Hardware Shines at Canton Fair, Phase 1 Concludes Successfully, Phase 2 Ready to Go!

Focusing on the theme "High-Performance Door & Window System Solutions," the company showcased cutting-edge innovative products, including:U-groove concealed casement window hardware system,Electric horizontal sliding window,Electric inward casement window,JTSM06/07 series lift-and-slide door hardware system,3HM1/NXC16 series tilt and turn hardware system.

March 05, 2026

Faults and Maintenance Methods of Electric Window Openers

Regular maintenance is crucial for extending the service life of electric window openers. It is recommended to inspect the motor, wiring, and guide rails every three months, promptly removing dust and debris; avoid overloading; and regularly lubricate mechanical components to ensure smooth window operation.

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START YOUR PROJECT FROM HERE!

Get in touch with us and we will help with your projects.

ABOUT US

3H INC is one of the few company provide professional design and solutions for customer in window and door system field. We provide one-stop solution for window and door accessories...

ABOUT US

OUR PRODUCTS

PROJECTS

CONTACT

CONTACT US

+86-134-1324-9243

3hmkg@ss-hehe.com

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