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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.

    • Red Bronze — AC Cylindrical Knob Lock
    • Red Bronze — AC Cylindrical Knob Lock
    • Red Bronze — AC Cylindrical Knob Lock
    • Red Bronze — AC Cylindrical Knob Lock
    • Red Bronze — AC Cylindrical Knob Lock
    • Red Bronze — AC Cylindrical Knob Lock
    • Red Bronze — AC Cylindrical Knob Lock
    • Red Bronze — AC Cylindrical Knob Lock
    • Red Bronze — AC Cylindrical Knob Lock
    • Red Bronze — AC Cylindrical Knob Lock

    Red Bronze — AC Cylindrical Knob Lock

    Product Name Cylindrical Knob Lock Model 578
    Material Iron/Stainless Steel
    Color SS/AB/AC/PB/SB/BL..etc
    Knob Diameter 51mm
    Rosette Diameter 65mm
    Structure Cylindrical
    Back of Latch 60mm
    Door Thickness 38-50mm
    Used Bedroom, Kitchen, School, Office, Home
    Lock Function Entrance(ET), Privacy(BK),Passage(PS),
    Cylinder & Keys Cylinder (Brass / Zinc); Keys (Brass / Iron)
    Packaging Color Box / Blister Box
    MOQ 1000PCS
    Delivery Time 45 Days After Receipt Of Deposit
    Payment 30% Deposit, 70% Balance Before Delivery
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    • Red Bronze — AC 586 Cylindrical Knob Lock
    • Red Bronze — AC 586 Cylindrical Knob Lock

    Red Bronze — AC 586 Cylindrical Knob Lock

    Product Name Cylindrical Knob Lock Model 586
    Material Iron
    Color AB/BN, AC/BN, PB/BN
    Knob Diameter 57mm
    Rosette Diameter 75mm
    Structure Cylindrical
    Back of Latch 60mm
    Door Thickness 38-50mm
    Used Bedroom, Kitchen, School, Office, Home
    Lock Function Entrance(ET), Privacy(BK),Passage(PS),
    Cylinder & Keys Cylinder (Brass / Zinc); Keys (Brass / Iron)
    Packaging Color Box / Blister Box
    MOQ 1000PCS
    Delivery Time 45 Days After Receipt Of Deposit
    Payment 30% Deposit, 70% Balance Before Delivery
    Share:
    • Tulip Cylindrical Knob Lock
    • Tulip Cylindrical Knob Lock
    • Tulip Cylindrical Knob Lock
    • Tulip Cylindrical Knob Lock
    • Tulip Cylindrical Knob Lock
    • Tulip Cylindrical Knob Lock
    • Tulip Cylindrical Knob Lock
    • Tulip Cylindrical Knob Lock
    • Tulip Cylindrical Knob Lock
    • Tulip Cylindrical Knob Lock

    Tulip Cylindrical Knob Lock

    Product Name Cylindrical Knob Lock Model 588
    Material Iron/Stainless Steel
    Color SS/AB/AC/PB/SB/BL..etc
    Knob Diameter 51mm
    Rosette Diameter 65mm
    Structure Cylindrical
    Back of Latch 60mm
    Door Thickness 38-50mm
    Used Bedroom, Kitchen, School, Office, Home
    Lock Function Entrance(ET), Privacy(BK),Passage(PS),
    Cylinder & Keys Cylinder (Brass / Zinc); Keys (Brass / Iron)
    Packaging Color Box / Blister Box
    MOQ 1000PCS
    Delivery Time 45 Days After Receipt Of Deposit
    Payment 30% Deposit, 70% Balance Before Delivery
    Share:
    • Red Bronze — AC 589 Cylindrical Knob Lock
    • Red Bronze — AC 589 Cylindrical Knob Lock

    Red Bronze — AC 589 Cylindrical Knob Lock

    Product Name Cylindrical Knob Lock Model 589
    Material Iron
    Color AB/BN, AC/BN, PB/BN
    Knob Diameter 57mm
    Rosette Diameter 75mm
    Structure Cylindrical
    Back of Latch 60mm
    Door Thickness 38-50mm
    Used Bedroom, Kitchen, School, Office, Home
    Lock Function Entrance(ET), Privacy(BK),Passage(PS),
    Cylinder & Keys Cylinder (Brass / Zinc); Keys (Brass / Iron)
    Packaging Color Box / Blister Box
    MOQ 1000PCS
    Delivery Time 45 Days After Receipt Of Deposit
    Payment 30% Deposit, 70% Balance Before Delivery
    Share:
    • Antique Bronze – AB Cylindrical Knob Lock
    • Antique Bronze – AB Cylindrical Knob Lock

    Antique Bronze – AB Cylindrical Knob Lock

    Product Name Cylindrical Knob Lock Model 5731
    Material Iron
    Color AB/BN, AC/BN, PB/BN
    Knob Diameter 57mm
    Rosette Diameter 75mm
    Structure Cylindrical
    Back of Latch 60mm
    Door Thickness 38-50mm
    Used Bedroom, Kitchen, School, Office, Home
    Lock Function Entrance(ET), Privacy(BK),Passage(PS),
    Cylinder & Keys Cylinder (Brass / Zinc); Keys (Brass / Iron)
    Packaging Color Box / Blister Box
    MOQ 1000PCS
    Delivery Time 45 Days After Receipt Of Deposit
    Payment 30% Deposit, 70% Balance Before Delivery
    Share:
    • Matte Antique Bronze – MAB Cylindrical Knob Lock
    • Matte Antique Bronze – MAB Cylindrical Knob Lock
    • Matte Antique Bronze – MAB Cylindrical Knob Lock
    • Matte Antique Bronze – MAB Cylindrical Knob Lock
    • Matte Antique Bronze – MAB Cylindrical Knob Lock
    • Matte Antique Bronze – MAB Cylindrical Knob Lock
    • Matte Antique Bronze – MAB Cylindrical Knob Lock
    • Matte Antique Bronze – MAB Cylindrical Knob Lock

    Matte Antique Bronze – MAB Cylindrical Knob Lock

    Product Name Cylindrical Knob Lock Model 5791
    Material Iron/Stainless Steel
    Color SS/AB/AC/PB/SB/BL..etc
    Knob Diameter 57mm
    Rosette Diameter 75mm
    Structure Cylindrical
    Back of Latch 60mm
    Door Thickness 38-50mm
    Used Bedroom, Kitchen, School, Office, Home
    Lock Function Entrance(ET), Privacy(BK),Passage(PS),
    Cylinder & Keys Cylinder (Brass / Zinc); Keys (Brass / Iron)
    Packaging Color Box / Blister Box
    MOQ 1000PCS
    Delivery Time 45 Days After Receipt Of Deposit
    Payment 30% Deposit, 70% Balance Before Delivery
    Share:
    • Gunmetal Black & Red Bronze — AC/BN-5793 Cylindrical Knob Lock
    • Gunmetal Black & Red Bronze — AC/BN-5793 Cylindrical Knob Lock

    Gunmetal Black & Red Bronze — AC/BN-5793 Cylindrical Knob Lock

    Product Name Cylindrical Knob Lock Model 5793
    Material Iron
    Color AB/BN, AC/BN, PB/BN
    Knob Diameter 57mm
    Rosette Diameter 75mm
    Structure Cylindrical
    Back of Latch 60mm
    Door Thickness 38-50mm
    Used Bedroom, Kitchen, School, Office, Home
    Lock Function Entrance(ET), Privacy(BK),Passage(PS),
    Cylinder & Keys Cylinder (Brass / Zinc); Keys (Brass / Iron)
    Packaging Color Box / Blister Box
    MOQ 1000PCS
    Delivery Time 45 Days After Receipt Of Deposit
    Payment 30% Deposit, 70% Balance Before Delivery
    Share:
    • Gunmetal Black/Red Bronze - AC/BN-5795 Cylindrical Knob Lock
    • Gunmetal Black/Red Bronze - AC/BN-5795 Cylindrical Knob Lock

    Gunmetal Black/Red Bronze - AC/BN-5795 Cylindrical Knob Lock

    Product Name Cylindrical Knob Lock Model 5795
    Material Iron
    Color AB/BN, AC/BN, PB/BN
    Knob Diameter 57mm
    Rosette Diameter 75mm
    Structure Cylindrical
    Back of Latch 60mm
    Door Thickness 38-50mm
    Used Bedroom, Kitchen, School, Office, Home
    Lock Function Entrance(ET), Privacy(BK),Passage(PS),
    Cylinder & Keys Cylinder (Brass / Zinc); Keys (Brass / Iron)
    Packaging Color Box / Blister Box
    MOQ 1000PCS
    Delivery Time 45 Days After Receipt Of Deposit
    Payment 30% Deposit, 70% Balance Before Delivery
    Share:
    • Gunmetal Black/Red Bronze - AC/BN-5796 Cylindrical Knob Lock
    • Gunmetal Black/Red Bronze - AC/BN-5796 Cylindrical Knob Lock

    Gunmetal Black/Red Bronze - AC/BN-5796 Cylindrical Knob Lock

    Product Name Cylindrical Knob Lock Model 5796
    Material Iron
    Color AB/BN, AC/BN, PB/BN
    Knob Diameter 57mm
    Rosette Diameter 75mm
    Structure Cylindrical
    Back of Latch 60mm
    Door Thickness 38-50mm
    Used Bedroom, Kitchen, School, Office, Home
    Lock Function Entrance(ET), Privacy(BK),Passage(PS),
    Cylinder & Keys Cylinder (Brass / Zinc); Keys (Brass / Iron)
    Packaging Color Box / Blister Box
    MOQ 1000PCS
    Delivery Time 45 Days After Receipt Of Deposit
    Payment 30% Deposit, 70% Balance Before Delivery
    Share:
    • Gunmetal Black/Red Bronze - AC/BN-5797 Cylindrical Knob Lock
    • Gunmetal Black/Red Bronze - AC/BN-5797 Cylindrical Knob Lock

    Gunmetal Black/Red Bronze - AC/BN-5797 Cylindrical Knob Lock

    Product Name Cylindrical Knob Lock Model 5797
    Material Iron
    Color AB/BN, AC/BN, PB/BN
    Knob Diameter 57mm
    Rosette Diameter 75mm
    Structure Cylindrical
    Back of Latch 60mm
    Door Thickness 38-50mm
    Used Bedroom, Kitchen, School, Office, Home
    Lock Function Entrance(ET), Privacy(BK),Passage(PS),
    Cylinder & Keys Cylinder (Brass / Zinc); Keys (Brass / Iron)
    Packaging Color Box / Blister Box
    MOQ 1000PCS
    Delivery Time 45 Days After Receipt Of Deposit
    Payment 30% Deposit, 70% Balance Before Delivery
    Share:
    • Gunmetal Black/Red Bronze - AC/BN-5798 Cylindrical Knob Lock
    • Gunmetal Black/Red Bronze - AC/BN-5798 Cylindrical Knob Lock

    Gunmetal Black/Red Bronze - AC/BN-5798 Cylindrical Knob Lock

    Product Name Cylindrical Knob Lock Model 5798
    Material Iron
    Color AB/BN, AC/BN, PB/BN
    Knob Diameter 57mm
    Rosette Diameter 75mm
    Structure Cylindrical
    Back of Latch 60mm
    Door Thickness 38-50mm
    Used Bedroom, Kitchen, School, Office, Home
    Lock Function Entrance(ET), Privacy(BK),Passage(PS),
    Cylinder & Keys Cylinder (Brass / Zinc); Keys (Brass / Iron)
    Packaging Color Box / Blister Box
    MOQ 1000PCS
    Delivery Time 45 Days After Receipt Of Deposit
    Payment 30% Deposit, 70% Balance Before Delivery
    Share:
    • Gunmetal Black/Red Bronze - AC/BN-5799 Cylindrical Knob Lock
    • Gunmetal Black/Red Bronze - AC/BN-5799 Cylindrical Knob Lock

    Gunmetal Black/Red Bronze - AC/BN-5799 Cylindrical Knob Lock

    Product Name Cylindrical Knob Lock Model 5799
    Material Iron
    Color AB/BN, AC/BN, PB/BN
    Knob Diameter 57mm
    Rosette Diameter 75mm
    Structure Cylindrical
    Back of Latch 60mm
    Door Thickness 38-50mm
    Used Bedroom, Kitchen, School, Office, Home
    Lock Function Entrance(ET), Privacy(BK),Passage(PS),
    Cylinder & Keys Cylinder (Brass / Zinc); Keys (Brass / Iron)
    Packaging Color Box / Blister Box
    MOQ 1000PCS
    Delivery Time 45 Days After Receipt Of Deposit
    Payment 30% Deposit, 70% Balance Before Delivery
    Share:
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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