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C Groove Top-Hung Window Hardware Wholesale
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C Groove Top-Hung Window Hardware

C Groove Top-Hung Window Hardware

Top-hung window hardware system for C groove aluminum profiles, with sash hinged at the top and opening outward from the bottom to enable natural ventilation while preventing rain ingress. Compact structure with lightweight operation, ideal for small openings in kitchens, bathrooms, and other areas requiring continuous ventilation.

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  • Handle
    Handle
    All-gNMx
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  • Preminum 55H Square Spindle Handle
    Preminum 55H Square Spindle Handle
    Straight handle; drives the gearbox via square spindle to open/close and lock the sash; 55mm height.
    Add to Wishlist
  • Classic 55H Square Spindle Handle
    Classic 55H Square Spindle Handle
    Classic 55H straight handle; drives the gearbox via square spindle to open/close and lock the sash.
    Add to Wishlist
  • Preminum 50H Base-less Handle
    Preminum 50H Base-less Handle
    Base-less handle (concealed screws); drives the gearbox via spindle; clean look; 50mm height.
    Add to Wishlist
  • Classic 50H Base-less Handle
    Classic 50H Base-less Handle
    Classic 50H base-less handle (concealed screws); drives the gearbox via spindle; clean look.
    Add to Wishlist
  • Offset Handle
    Offset Handle
    Offset handle; drives the gearbox via spindle; commonly used on integrated screen window outer sashes.
    Add to Wishlist
  • Classic 61H Geared Handle
    Classic 61H Geared Handle
    Geared handle; transmits torque via fork and gear connector to the gearbox; for fork-drive tilt & turn systems; 61mm height.
    Add to Wishlist
  • Handle
    Handle
    All-gNMx
    Add to Wishlist
  • Preminum 55H Square Spindle Handle
    Preminum 55H Square Spindle Handle
    Straight handle; drives the gearbox via square spindle to open/close and lock the sash; 55mm height.
    Add to Wishlist
  • Classic 55H Square Spindle Handle
    Classic 55H Square Spindle Handle
    Classic 55H straight handle; drives the gearbox via square spindle to open/close and lock the sash.
    Add to Wishlist
  • Preminum 50H Base-less Handle
    Preminum 50H Base-less Handle
    Base-less handle (concealed screws); drives the gearbox via spindle; clean look; 50mm height.
    Add to Wishlist
  • Classic 50H Base-less Handle
    Classic 50H Base-less Handle
    Classic 50H base-less handle (concealed screws); drives the gearbox via spindle; clean look.
    Add to Wishlist
  • Offset Handle
    Offset Handle
    Offset handle; drives the gearbox via spindle; commonly used on integrated screen window outer sashes.
    Add to Wishlist
  • Classic 61H Geared Handle
    Classic 61H Geared Handle
    Geared handle; transmits torque via fork and gear connector to the gearbox; for fork-drive tilt & turn systems; 61mm height.
    Add to Wishlist
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About WANO

Established in 2003, WANO is China Top Hung Aluminium Window Hardware Manufacturers and C Groove Top-Hung Aluminium Window Hardware Factory, specializes in window and door hardware design and technology. The company operates a 38,000 m² manufacturing base with over 500 employees, a 100-person R&D center, and 15 specialized laboratories. With an annual production capacity of approximately 20 million sets, WANO is supported by over 100 innovation patents. We are committed to providing reliable products and systematic support to fabricators, window system brands, dealers, and project clients—enhancing user experience through consistent performance and creating long-term value.

Surface Treatment & Appearance Customization
  • Handle Design

    We customize handle profiles, curvature, grip thickness, and overall styling—square or rounded—to complement minimalist, modern luxury, vintage, and other interior design languages.

  • Surface Finishes

    A full range of treatment options is available, including powder coating, electrophoretic coating, and anodizing. Custom textures and colors for handles and hinges can be developed to match diverse interior styles.

  • Brand Marking

    Your brand logo is precisely applied to visible product surfaces through laser engraving, screen printing, or die-cast integrated molding.

Brand Packaging Customization

  • Individual unit boxes and outer cartons printed with your logo, brand name, and product model details

  • Product certificates, warranty cards, and packing lists fully rebranded with your identity

  • Flexible options for neutral or brand-exclusive packaging to suit different channel requirements

Customization Process
  • 1. Requirement
    Consultation
    1. Requirement
    Consultation
  • 2. Drawing / Sample
    Confirmation
    2. Drawing / Sample
    Confirmation
  • 3. Technical Assessment
    & Solution Proposal
    3. Technical Assessment
    & Solution Proposal
  • 4. Sample Development
    & Testing
    4. Sample Development
    & Testing
  • 5. Pricing
    Confirmation
    5. Pricing
    Confirmation
  • 6. Mass
    Production
    6. Mass
    Production
  • 7. Quality
    Inspection
    7. Quality
    Inspection
  • 8. Packaging &
    Delivery
    8. Packaging &
    Delivery
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