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Concealed Heavy Duty Hinge - China

price: contact company for price

concealed heavy duty hinge

Material Zinc alloy + SS

Size 138.8* 33.5* 50mm

Gap 28.2mm

Angle 180 degree

Door thickness 50mm

Door weight 50kg/ pair

Finishing Satin chrome

Suitable for solid wood door, steel security door, steel door, armored door, decorative craft door, fire door, composite door, aluminium alloy door, wood plastic door, cabinet door, metal door, bronze series craft door, glass Mosaic, outside door, interior door, wooden door, aluminum alloy door, plastic door, aluminum wood doors, stainless steel door, flat open door, ecological door, interior door, explosion- proof door, anti- knock door, fire door, etc

Tested for over 200, 000 cycles , no abrasion

180 degree open angle gives the users more convenience and comfort

Perfect invisibility can make the entire environment more harmonious

Have the characters of anti- fire, anti- smoke, rustproof, damp- proof, anti- friction and environmental protecting features

This product has applied for the national patent

This product was tested by TUV, comply with requirement of BS EN 1935


Company Contact:


  • Phone: 13622636861

  • Address: Humen , Dongguan , China

  • Email: Email


Published date: December 12, 2014

  • Business Description: Donguan Shengang Precision Metal & Electronic Co., Ltd. was founded in

    February 2000, affiliated to Shengang Precision Metal & Electronic (Hong

    Kong) Co., Ltd. We are a comprehensive international manufacturer

    integrating the research and production, development and sales,

    specialized in the line of doors and windows hardware.

    Our products contain ordinary hinges, functional multiple direction adjustable concealed hinges, three direction adjustable Japanese casement hinges, external three direction adjustable German hinges, interior door locks, antitheft locks, handles, lock bodies, door stoppers, door closers, sliding rails, folding door fittings, sliding door fittings and so on.

    Our company possesses the advanced production equipments, the leading production technology.

    Meanwhile, we are fortunate to have the help of a number of high quality technical engineers who devote themselves to researching and developing, mold making, producing and processing, as well as product testing.

    Besides, we have established a perfect production management system and employed dozens of excellent production staff.

    Therefore, our products can be updated continuously from time to time.

    "Shengang Hardware" we are producing now sells well both home and abroad.

    And we also can find ready markets in European, American, southeast Asian and the Middle East countries and areas.

    In the period of building our autonomous brands "Shengang" and "NSG", we cooperate with international well known brand manufacturers in the way of OEM and ODM at the same time, thus establishing broad sales channels.

    Moreover, we discuss and collaborate with real estate businesses and architectural design companies.

    We pay attention to every link and detail and we also pay attention to every individual who is related to Shengang and grows up with Shengang together learning of the customers needs at the first time and truly achieving the accomplishment of competitive edge of I have them when others don't.

    I have better ones when others have them.

    Our company complies with the business philosophy: quality first and reputation for development, manage to be the top supplier of the industry of doors and windows hardware.

    Our company motto: Shengang hardware benefits homes.

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