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We specialize in the R&D and production of medium and high-grade door locks, including round knob locks, lever handle locks, three-rod locks and lock bodies. With over ten years of industry experience, exquisite craftsmanship and strict quality control, our products feature reliable performance and stylish designs.

    • 643.5SS Hydraulic Door Hinge
    • 643.5SS Hydraulic Door Hinge

    643.5SS Hydraulic Door Hinge

    Length 151.5
    Width 103.5 
    Bore Diameter 7
    Shaft Diameter 17.2
    Material Thickness 3.5
    Material Stainless Steel 201/304/Copper
    Color SS/SB/AB/AC/PB/BL
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    • 543 Swing Door Hinge Hydraulic
    • 543 Swing Door Hinge Hydraulic

    543 Swing Door Hinge Hydraulic

    Length 126.5 
    Width 103.2
    Bore Diameter 6.5
    Shaft Diameter 15.2
    Material Thickness 3
    Material Stainless Steel 201/304/Copper
    Color SS/SB/AB/AC/PB/BL
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    • 533 Swing Door Hinge Hydraulic
    • 533 Swing Door Hinge Hydraulic

    533 Swing Door Hinge Hydraulic

    Length 126.5 
    Width 127.5 
    Bore Diameter 6.5
    Shaft Diameter 15.2
    Material Thickness 3
    Material Stainless Steel 201/304/Copper
    Color SS/SB/AB/AC/PB/BL
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    • 53.53 Swing Door Hinge Hydraulic
    • 53.53 Swing Door Hinge Hydraulic

    53.53 Swing Door Hinge Hydraulic

    Length 126.5 
    Width 89
    Bore Diameter 6.5
    Shaft Diameter 15.2
    Material Thickness 3
    Material Stainless Steel 201/304/Copper
    Color SS/SB/AB/AC/PB/BL
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    • 533 Flag Hinge Hydraulic Door Hinge
    • 533 Flag Hinge Hydraulic Door Hinge

    533 Flag Hinge Hydraulic Door Hinge

    Length 126.5 
    Width 78.2
    Bore Diameter 6.5
    Shaft Diameter 15.2
    Material Thickness 3
    Material Stainless Steel 201/304/Copper
    Color SS/SB/AB/AC/PB/BL
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    • 433 Flag Hinge Hydraulic Door Hinge
    • 433 Flag Hinge Hydraulic Door Hinge

    433 Flag Hinge Hydraulic Door Hinge

    Length 101.5
    Width 77.5
    Bore Diameter 6.5
    Shaft Diameter 15.2
    Material Thickness 3
    Material Stainless Steel 201/304/Copper
    Color SS/SB/AB/AC/PB/BL
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    • 843.5 Hydraulic Door Hinge
    • 843.5 Hydraulic Door Hinge

    843.5 Hydraulic Door Hinge

    Length 204
    Width 103
    Bore Diameter 7.2
    Shaft Diameter 17.3
    Material Thickness 3.5
    Material Stainless Steel 201/304/Copper
    Color SS/SB/AB/AC/PB/BL
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    • 643 Swing Door Hinge Hydraulic
    • 643 Swing Door Hinge Hydraulic

    643 Swing Door Hinge Hydraulic

    Length 151.5
    Width 102
    Bore Diameter 7
    Shaft Diameter 16.5
    Material Thickness 3
    Material Stainless Steel 201/304/Copper
    Color SS/SB/AB/AC/PB/BL
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    • 443 Swing Door Hinge Hydraulic
    • 443 Swing Door Hinge Hydraulic

    443 Swing Door Hinge Hydraulic

    Length 101.5
    Width 102
    Bore Diameter 6.5
    Shaft Diameter 15.2
    Material Thickness 3
    Material Stainless Steel 201/304/Copper
    Color SS/SB/AB/AC/PB/BL
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    • 63.53 Swing Door Hinge Hydraulic
    • 63.53 Swing Door Hinge Hydraulic

    63.53 Swing Door Hinge Hydraulic

    Length 151.8 
    Width 90
    Bore Diameter 7
    Shaft Diameter 16.5
    Material Thickness 3
    Material Stainless Steel 201/304/Copper
    Color SS/SB/AB/AC/PB/BL
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    • 533-1 Swing Door Hinge Hydraulic
    • 533-1 Swing Door Hinge Hydraulic

    533-1 Swing Door Hinge Hydraulic

    Length 126.5 
    Width 76.2
    Bore Diameter 6.5
    Shaft Diameter 15.2
    Material Thickness 3
    Material Stainless Steel 201/304/Copper
    Color SS/SB/AB/AC/PB/BL
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    • 4.54.53 Swing Door Hinge Hydraulic
    • 4.54.53 Swing Door Hinge Hydraulic

    4.54.53 Swing Door Hinge Hydraulic

    Length 103.8
    Width 104.3
    Bore Diameter 6.5
    Shaft Diameter 15.2
    Material Thickness 3
    Material Stainless Steel 201/304/Copper
    Color SS/SB/AB/AC/PB/BL
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About Us
Wenzhou Boluosi Hardware Co., Ltd.

Wenzhou Boluosii Hardware Co., Ltd. is an advanced door lock manufacturer that integrates research and development, production, sales and service. With over a decade of experience in lockmaking, we specialize in the manufacture of round knob locks, lever handle locks, three-bar locks, lock bodies and related hardware.

 

Guided by the corporate motto "Adorn the World, Brighten Lives", our products are well-received across major cities in China and exported to the EU, the Middle East, Japan, the United States and other regions, enjoying a high reputation among consumers for high quality, stylish designs and reliable after-sales service.

 

Adhering to a people-oriented, market-driven philosophy and keeping pace with advanced technology, we prioritize technological R&D and innovation. Backed by a team of skilled R&D personnel, experienced management and skilled production operators, we have implemented rigorous scientific management and strict quality control at every stage. Our robust lock-making capabilities and advanced production lines enable us to deliver consistent quality.

 

Guided by a commitment to quality, integrity, and continuous improvement, we focus on delivering reliable products, responsive service, and practical solutions that meet our customers' needs. We offer customized design and manufacturing services to address specific project requirements.

 

We welcome the opportunity to work with partners both domestically and internationally, and we are dedicated to earning your trust through consistent performance and fair pricing.

Certificate Of Honor
  • 240902026GZU-001 TVOC_Security
  • 240902026GZU-001_Security
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