WANO is a China-based UC Groove Aluminum Window Hardware manufacturer and supplier. Since 2003, we have designed and manufactured the transmission, locking, hinge and handle components that run on the European standard hardware groove in aluminum window systems. Our UC groove range is supplied as matched per-sash sets for tilt-and-turn, casement, screen-integrated and swing-door windows, and is used by fabricators, window system brands, architectural hardware dealers and project clients across residential, hotel, commercial and public buildings.
UC Groove Hardware: What We Supply
UC groove means the hardware groove is standardized in the extrusion profile, not by the window brand. We build complete per-sash sets — gearbox, drive bars, corner transmissions, locking points, hinges, friction stays and handles — so the sash arrives at the glazing line with one matched hardware system.
Our range covers the main UC groove opening types:
- Tilt & turn sets — tilt ventilation and side-hung turning with full-perimeter locking, available with 90° or 180° opening and tilt-first or turn-first sequence.
- Casement sets — side-hung opening with controlled friction-stay resistance for villas, low-rise residential and renovation work.
- Screen-integrated sets — hardware coordinated with insect-screen or combined sash profiles.
- Swing-door and heavy-sash configurations — higher load ratings and extended drive-bar layouts for larger openings.
We also machine custom drive-bar lengths, locking-point layouts and hinge load ratings for narrow-profile and heavy-sash systems. For profiles built to a different groove standard, our C Groove Aluminum Window Hardware covers that alternative system, and the wider Window Hardware programme includes PVC and timber systems for mixed development projects.
UC Groove Range and Application Fit
| Product group | Function | Typical application fit | Configuration scope |
|---|---|---|---|
| Tilt & turn set | Combined tilt ventilation and turn opening with perimeter locking | Apartments, hotels, public buildings | 90° or 180° opening, tilt-first or turn-first, ventilation position |
| Casement set | Side-hung opening with friction control | Villas, low-rise residential, renovation work | Handing, stay friction, restrictor option |
| Espagnolette gearbox and drive bars | Converts handle rotation into multi-point locking travel | All UC groove opening types | Drive bar length, corner transmission, locking-point layout |
| Locking points and keepers | Cam engagement for security and gasket compression | Coastal, high-wind and acoustic-driven projects | Cam type, quantity and spacing against sash height |
| Hinges and friction stays | Load transfer and sash adjustment | Heavy sashes, narrow profiles | Load rating, 3D adjustment range, fixing pattern |
| Handles | Operation and locking interface | Residential, hospitality, commercial interiors | Profile, grip thickness, finish, key locking, brand marking |
Groove Compatibility and Profile Fit
A UC groove set is released only after we work from the profile drawing and confirm the extrusion geometry. Groove width, depth and centreline differ between extrusion generations, so the same component family can serve several aluminum systems without modification to the sash profile.
Profile points we verify before production:
- Hardware groove width, depth and centreline position on the sash face
- Sash rebate dimensions and required frame-to-sash closing gap
- Chamber geometry, reinforcement position and screw-fixing depth
- Drainage paths and gasket clearance where locking cams travel
- Handle spindle and backset dimension for the gearbox interface
For tilt-and-turn sashes requiring a defined opening angle, our UC Groove Tilt & Turn 90/180° Hardware variant is configured with the correct gearbox, drive-bar layout and restrictor elements before tooling is signed off.
Configuration Choices We Fix Before Production
- Opening behaviour: handing, opening angle, tilt-first or turn-first sequence, and whether a defined ventilation position is required.
- Load and geometry: sash width, height and glazing weight determine hinge load rating, friction-stay selection and drive-bar length; narrow-profile systems need hardware sized to the available groove depth.
- Safety and function: anti-misoperation devices, sash restrictors or fall-prevention mechanisms, and multi-point locking counts selected against the opening type and building use.
Every configuration is documented as a per-window-type bill of hardware, so the fabrication line receives the same set for the same sash size across the whole order.
Materials, Surface Finishes and Corrosion Performance
Critical components are produced by in-house die casting, stamping and machining, then surface treated before assembly. Finish selection is a project decision: coastal and high-humidity sites call for treatment systems that hold up under salt spray exposure, while interior specifications usually prioritise colour match and touch feel.
- Powder coating — broad colour range for handles and visible covers
- Electrophoretic coating — even coverage on complex cast and stamped parts
- Anodizing — metallic finishes for aluminium-facing design schemes
- Custom textures and colours — developed to match interior design languages
Handle design is part of the same project decision: we customize profile, curvature, grip thickness and square or rounded styling for minimalist, modern luxury, vintage and other interior directions.
Fabrication, Installation and Line Integration
UC groove sets are installed with standard fabrication routing, so the practical questions are sequence and tolerance. We supply groove positions, screw-fixing points and drive-bar cut lengths with each set, and we confirm the handle spindle, hinge fixing pattern and adjustment access before tooling is approved.
On glazed sashes, hardware routing is coordinated with gasket and drainage positions so locking cams engage without compressing seals incorrectly. For fabricators running mixed aluminum lines, we keep hardware models and packing labels aligned to the window system they belong to, which reduces picking errors at assembly stations and simplifies replenishment ordering.
Quality Assurance and Acceptance Testing
Fifteen specialized laboratories cover the full inspection chain — incoming material inspection, first-article inspection, in-process control and final pre-shipment verification. Core capabilities applied to UC groove hardware include:
- Torque testing — handle operating force checked against ergonomic and industry requirements
- Load and tensile testing — ultimate load capacity of hinges and locking points
- Opening/closing cycle testing — repeated operation to verify durability and smooth travel
- Salt spray resistance testing — corrosion behaviour of surface treatment systems
Our certification archive holds test reports and association certification from the Shanghai Building Hardware Door & Window Trade Association, which can accompany project submittals and pre-delivery acceptance records.
OEM/ODM and Brand Customization
For brands with established drawings or samples, we manufacture to your specification with in-house tooling, precision machining, logo laser engraving and custom packaging. For fabricators and system window brands launching a differentiated system, our 100-person R&D centre supports ODM structural optimization, aesthetic innovation and performance configuration.
Customization scope includes:
- Drive-bar lengths, locking-point layouts and hinge load ratings tailored to your profiles
- Handle profiles, curvature, grip thickness and square or rounded styling
- Logo applied by laser engraving, screen printing or die-cast integrated moulding
- Unit boxes and outer cartons printed with your brand and model data
- Certificates, warranty cards and packing lists rebranded, with neutral or brand-exclusive packaging
Custom development follows a fixed sequence: requirement consultation, drawing or sample confirmation, technical assessment and solution proposal, sample development and testing, pricing confirmation, mass production, quality inspection, then packaging and delivery.
Information We Use to Configure Your Solution
A UC groove proposal becomes buildable once the following inputs are on the table. Each one changes component selection rather than only the price.
| Project input | What it determines |
|---|---|
| Profile drawing and groove cross-section | Component family, groove engagement, fixing positions |
| Sash width, height, glazing weight | Hinge load rating, friction-stay selection, locking-point count |
| Opening type, handing and required angle | Gearbox variant, drive-bar layout, restrictor choice |
| External environment and finish target | Surface treatment system and colour or texture |
| Security and safety requirements | Anti-misoperation devices, fall prevention, key locking |
| Quantities per window type, brand and packaging brief | Set bundling, labelling, delivery scope and replenishment planning |
Spare Parts, Maintenance and Documentation
Handles, cam keepers and friction stays are the wear-facing parts of a UC groove set. They are supplied as serviceable items under the same model codes used in the original order, so replacement parts from a later batch remain interchangeable with the installed hardware.
- Model-coded components for straightforward reordering
- Adjustment guidance for hinge and friction-stay alignment
- Packing lists, certificates and warranty cards matched to each shipment
- Technical documentation and product training provided for fabrication teams
Our full product portfolio also covers Door Hardware, Hinged Door Hardware, Door Closers, and Sliding System hardware, including Lift & Slide Hardware and Sliding Hardware for projects that combine fixed and operating facade elements.
Frequently Asked Questions
Which window systems does UC groove hardware suit?
It suits aluminium window profiles with the standard European hardware groove, covering tilt-and-turn, casement, screen-integrated and swing-door sashes. We confirm fit from the profile drawing, since groove width, depth and centreline differ between extrusion generations.
Can you supply complete per-window sets instead of individual parts?
Yes. We bundle gearbox, drive bars, corner transmission, locking points, hinges and handles into one set per sash size, with quantities scaled to the window schedule. Bundled supply reduces picking errors and keeps locking-point spacing consistent across a project.
How is hardware selected for large or heavy sashes?
Sash width, height and glazing weight drive hinge load rating, friction-stay selection and drive-bar length. For heavy-duty or narrow-profile systems we tailor hinge ratings and groove dimensions so the hardware fits the profile without compromising adjustment range.
How do you address corrosion in coastal or humid environments?
We match the surface treatment system to the exposure condition and verify corrosion resistance with salt spray testing in our laboratories. Powder coating, electrophoretic coating and anodizing are all available, with custom textures and colours developed for the project.
Can our own brand appear on the hardware and packaging?
Your logo can be applied to visible surfaces by laser engraving, screen printing or die-cast integrated moulding, and unit boxes, outer cartons, certificates and packing lists can be produced under your brand or kept neutral for distribution channels.
What information should accompany an enquiry?
Profile drawings or groove cross-sections, sash dimensions and glazing weights, opening type and handing, required opening angle, finish and environment, security requirements, quantities per window type and your branding brief. With these we assess structure and performance and return a configured solution proposal before sampling.
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