Product sourcing guide
Sourcing Aluminum Sliding Windows from Foshan
Sliding-window specification, track and roller checks, drainage, and a dated public listing sample that is not a quotation.
Decision summary. Sliding windows trade opening space for track, roller and drainage complexity. Fix the panel sizes, track count, sill detail and screen before comparing prices. One dated listing sample is shown with its missing data; it is not a category price range.
Is This Product Suitable for Your Business?
Sliding windows suit projects where a projecting sash is unacceptable and the opening is wide. They depend on track alignment, roller quality and drainage, and they are less tolerant of frame distortion than a fixed window. A small importer needs an installer who can adjust rollers and sill details; an online seller must plan for a large, heavy package and a buyer who may not understand the installation requirements.
| Fit | Buyer type | Reason |
|---|---|---|
| Unknown — not verified | Amazon FBA | No evidence was reviewed on oversize inbound handling or consumer installation support. |
| Conditional | Shopify | Possible for project or renovation sales where the seller can arrange measurement and installation; single-unit shipping is damage-prone. |
| Conditional | Small importer | Workable for wide openings when the installer can adjust rollers and sill drainage; verify track and roller quality before ordering. |
Fit labels are editorial judgements based on customization, shipping, installation and after-sales constraints. They are not platform eligibility decisions.
Specifications to Include in Your RFQ
Specify the overall opening, the number of panels and tracks, the sliding direction, the fixed or operable panel, and the sill/threshold detail. Record whether the screen is included, which panel it tracks, and how the window drains. For tall panels, state the expected wind load or design pressure so that the supplier can quote suitable reinforcement and glass.
Frame, Profile and Thermal Break
Record the profile series, alloy and temper, wall thickness, track height and reinforcement. Sliding sashes need straight, stiff tracks; a thin wall or inadequate reinforcement can show up as binding or rattling. If a thermal break is specified, confirm that the break does not interfere with the track and drainage path. Ask for the frame depth and the required rough opening.
Glass, Hardware and Opening Configuration
Specify glass build-up and weight, roller model and load rating, track material, anti-lift blocks, brush seals, lock and handle, and the screen frame and mesh. State which panel slides and which is fixed. On a multi-panel window, confirm the stacking order and the clear opening. Ask whether the supplier includes sill flashing or expects the builder to provide it.
Destination-Market Performance Evidence
Ask for a report that covers the sliding configuration, panel size, glass and hardware. Sliding joints and drainage are common leakage paths, so watertightness and air permeability evidence matters more than a generic profile certificate. Check the test pressure and the size tested; a small sample window does not automatically represent a large multi-panel unit.
| RFQ field | Data type | Unit | Value used in this edition |
|---|---|---|---|
| Overall Opening Width x Height | Text | mm | To be confirmed |
| Panel Count, Sliding Direction and Fixed Panel | Text | — | To be confirmed |
| Track Count and Sill Detail | Text | — | To be confirmed |
| Roller Model and Load Rating | Text | — | To be confirmed |
| Glass Build-Up | Text | — | To be confirmed |
| Screen Type and Track | Text | — | To be confirmed |
| Design Pressure or Wind Load | Text | — | To be confirmed |
| Quantity per Size and Configuration | Number | pieces | To be confirmed |
Blank values are intentional. They must come from the buyer's drawing, the destination requirement or a supplier's written quotation; this site does not fill them with invented specifications.
Where Foshan and Dali Fit in the Supply Chain
Sliding-window fabrication uses extruded profiles, rollers, seals, glass and sometimes screens from different suppliers. A Foshan seller may assemble at its own plant or at a partner workshop. The production address and the party responsible for roller and track performance should be named in the contract. The Foshan place guide explains the district structure without assuming that every seller is a factory.
What Public Listings Reveal About MOQ and Pricing
A public Alibaba customer-review entry observed on 10 November 2026 shows USD 35.10–53.10 per square metre for a product described as an "Australian Standard Modern Thermal Break Aluminum Alloy Glass Soundproof Vertical Sliding Single Hung Window". The title combines "vertical sliding" and "single hung", the glass build-up and hardware are not stated, and the Incoterm is unknown. It is recorded as a dated listing sample, not a quotation or a category range.
No MOQ sample was collected. Treat any MOQ quoted for another model as unverified until the unit and configuration scope are stated.
| Observed | Basis | Specification as listed | Range | Incoterm | Exclusions |
|---|---|---|---|---|---|
| 10 November 2026 | listing | Product title combines "vertical sliding" and "single hung"; thermal-break and Australian Standard are claimed in the title; glass build-up, hardware and quantity basis are not stated. | USD 35.10–53.10 / m² | unknown | Incoterm not stated; Glass build-up not stated; Hardware schedule not stated; Crating and freight not stated |
These samples are retained only to show the order of magnitude and the missing data. They cannot be used as a category price range because size, glazing, hardware, finish, quantity and Incoterm are not equivalent.
Not verified. No dated MOQ sample was collected for this product category. MOQ can be quoted per piece, per set, per square metre, per kilogram or per tonne; confirm the unit, the model scope and whether a sample order is available in writing.
Supplier Verification and Inspection Checklist
Inspect the track and roller assembly under load, not only by hand. A window that slides smoothly empty may bind once the glass is installed or the frame is fixed to an uneven opening.
Before Paying a Deposit
Approve an elevation showing panel widths, sliding direction, fixed panel, screen and sill. Confirm roller model, track material and anti-lift detail. Ask for the rough opening and the fixing method. Confirm the legal entity and production address, and make the deposit conditional on the drawing and a sample or first-article check.
Before Shipment
Slide every panel through its full travel with glass installed. Check that the panels align, the lock engages, the anti-lift blocks are present and the screen runs freely. Pour water on the sill in a controlled way to check drainage without claiming a water test. Photograph the track, rollers, drainage slots and packing. Confirm that the frame is square and that glass does not touch the frame.
Inspection checkpoints
- Rollers and track under loadpreshipment
- Risk: Rollers that are too small or misaligned wear quickly and make the panel hard to move.
Verification: Operate the glazed panel through its full travel, check for binding and confirm the roller model against the quotation. - Panel alignment and anti-lift blockspreshipment
- Risk: Misalignment causes gaps, rattling and water entry; missing anti-lift blocks are a safety issue.
Verification: Check the gap between panels, lock engagement and the presence of anti-lift blocks on every operable panel. - Track drainage and weep holespreshipment
- Risk: Blocked or missing drainage raises water above the inner sill.
Verification: Confirm drainage slots, covers and slope; check that the inner and outer paths are not connected incorrectly. - Screen fit and operationpreshipment
- Risk: A screen that binds or falls out is a common after-sales complaint.
Verification: Install the screen on the specified track, operate it and check the latches and frame corners. - Glass size, markings and edge clearancepreshipment
- Risk: Oversized glass or missing edge clearance can crack during transport or thermal movement.
Verification: Check glass markings, edge clearance and setting blocks against the glazing drawing. - Wide-unit packingpreshipment
- Risk: Long frames flex and glass corners chip when crates are lifted from the middle.
Verification: Photograph crate blocking, lifting marks and corner protection; confirm the lifting plan with the freight forwarder.
Common pitfalls and checks
- Using a per-square-metre sample as a budget pricerfq
- Risk: The sample omits glass, hardware, crating and Incoterm, so the final cost can be materially higher.
Verification: Request a complete-set quotation with an inclusion and exclusion list for the same drawing. - Specifying the track after the framerfq
- Risk: Track height and sill detail affect the rough opening, waterproofing and accessibility.
Verification: Freeze the sill and track detail before the frame is fabricated. - Trusting a listing titlerfq
- Risk: The observed sample title mixes "vertical sliding" and "single hung", showing how easily a configuration can be misread.
Verification: Ask for an elevation drawing and confirm the opening type in writing.
Shipping, Replacement Parts and Total Cost
Sliding windows are wide and fragile. Packed dimensions, crate strength, corner protection and container loading matter as much as the freight rate. Rollers, tracks, brush seals, screens and handles should be listed as spare parts with part numbers. Ask whether the supplier can ship replacement glass separately, and who pays for a broken pane discovered after unloading.
Questions to Send Your Supplier
Ask one question per line and require a written answer that names the model, size and configuration. Compare the answers against the same drawing.
Prepare your RFQ. Send one drawing, one schedule and one destination. Ask every supplier to answer in the same units and to state exclusions.
- What is the required overall opening width x height (mm)?
- What is the required panel count, sliding direction and fixed panel?
- What is the required track count and sill detail?
- What is the required roller model and load rating?
- What is the required glass build-up?
- What is the required screen type and track?
- What is the required design pressure or wind load?
- What is the required quantity per size and configuration (piece)?
- Which test report, in which language, covers the exact model, size and glazing build-up?
- What is included in the quoted price, and what is excluded?
- What is the packing method, spare-parts list and replacement route?
Use the aluminum window RFQ checklist to structure the request.
Sources, Methodology and Research Limits
This page separates published source material from editorial recommendations. Supplier descriptions are treated as claims, not as verified capabilities. The research record below lists what was checked for Aluminum Sliding Window.
Claims used on this page
public sourceverifiedA customer-review entry on the profile shows "Australian Standard Modern Thermal Break Aluminum Alloy Glass Soundproof Vertical Sliding Single Hung Window" at USD 35.10–53.10 per square metre, without stating glass build-up, hardware, Incoterm or quantity basis.
Forge Windows and Doors (FoShan) Co., Ltd. supplier profile — Customer Reviews, product line attached to the review
Limits: The title combines "vertical sliding" and "single hung", so the opening configuration is ambiguous; The entry is not a quotation and may not represent the supplier's current price, minimum order or shipping terms; A single listing sample cannot be used as a category price range.
analysisverifiedPublic listing samples from different suppliers or configurations cannot be merged into a category price range, and this edition does not publish one.
Forge Windows and Doors (FoShan) Co., Ltd. supplier profile — Product listings and customer-review price line
Limits: This is an editorial policy statement, not a claim that no comparable prices exist; A buyer can create comparability by fixing the drawing, quantity, Incoterm and acceptance criteria.
analysisverifiedA supplier certificate or platform badge does not show that the tested model, size and glazing configuration match a buyer's destination requirement; the report scope must be checked.
Forge Windows and Doors (FoShan) Co., Ltd. supplier profile — Certifications panel and FAQ
WANJIA high-end door and window product guide (PDF) — Manufacturer product guide reference
Limits: An evidence-checking rule, not a judgement on the validity of any certificate; Destination requirements vary by country, building type and project; no legal or code determination is made here.
analysisverifiedA listing price is not a comparable quotation unless the unit, specification, quantity, Incoterm and exclusions are stated.
Forge Windows and Doors (FoShan) Co., Ltd. supplier profile — Customer Reviews price line and FAQ
Limits: A methodological rule for this site, not a statement about any supplier's pricing policy; A quotation can still omit costs that appear later in freight, duties or installation.
analysisverifiedWindow and door frames are listed applications of 6063 aluminum extrusions; profile geometry, alloy, temper and wall thickness are separate variables.
6063 aluminium alloy — Uses section
Extrusion — Materials, aluminum
Limits: The sources establish general application, not the suitability of a particular profile for a particular window system; Wall thickness alone is not a quality verdict.
analysisverifiedIn an aluminum window frame, a thermal break separates interior and exterior aluminum sections so the frame is not a continuous conductive path; whole-window performance still depends on glass, spacers, seals and installation.
Thermal insulation — Lead section, thermal break concept
6063 aluminium alloy — Physical properties table, thermal conductivity
Limits: An explanatory inference from general thermal and material references, not a test result; No U-value, condensation or structural threshold is asserted.
analysisverifiedA platform verification label describes checks performed by or for the platform; it does not establish that a particular order, model or glazing configuration meets a destination requirement.
Forge Windows and Doors (FoShan) Co., Ltd. supplier profile — On-site Verification panel and product listings
Limits: This is an inference from the structure of the reviewed profile, not a legal interpretation of platform terms; Platform rules and badge criteria were not separately audited for this edition.
analysisverifiedA public supplier profile can show a Foshan name and product range without documenting factory ownership, production capacity or the specific production site for an order.
Forge Windows and Doors (FoShan) Co., Ltd. supplier profile — Profile header and overview
Dali, Guangdong — Economy section
Limits: This is an evidence-reading rule, not an accusation about any named company; A factory audit or business licence check could close the gap; neither was performed for this edition.
public sourceverifiedFoshan is a prefecture-level city in Guangdong Province and administers five districts, including Nanhai; the 2020 census population was 9,498,863.
Foshan — Lead section and Administration table
Limits: Encyclopedia summary; administrative divisions and population should be checked against current official statistics before being used for a decision that depends on them; City-level statistics do not describe supplier capability.
Sources
- Forge Windows and Doors (FoShan) Co., Ltd. supplier profile. Alibaba.com. Platform page. Accessed 10 November 2026.
What it supports: Supplier self-description, platform verification labels, product listing text, FAQ answers and one customer-review price entry, observed on the access date.
Limits: Company statistics and FAQ answers are supplier-provided or platform-collected and were not independently audited for this edition; A platform badge does not establish that a specific order will meet destination performance requirements. - WANJIA high-end door and window product guide (PDF). wanjiadw.com. Manufacturer publication. Accessed 10 November 2026.
What it supports: A manufacturer-published catalogue URL listed in the project architecture as an example of product vocabulary and self-described product categories.
Limits: The PDF could not be machine-read during this build, so its detailed claims were not used; Catalogue descriptions are self-published and do not verify production capability. - 6063 aluminium alloy. Wikipedia. Reference report. Accessed 10 November 2026.
What it supports: Overview of 6063 alloy composition, common extrusion use, window and door frame applications, and published T5 and T6 mechanical property values.
Limits: Encyclopedia summary of secondary sources, not the Aluminum Association standard itself; Property values depend on thickness, temper condition and product standard; they cannot be used as acceptance limits without the applicable specification. - Extrusion. Wikipedia. Reference report. Accessed 10 November 2026.
What it supports: General explanation of extrusion, die cross-sections, hot extrusion and aluminum as a commonly extruded material.
Limits: Encyclopedia overview, not an extrusion tolerance or alloy standard; Process temperatures and equipment descriptions are general and not supplier-specific. - Thermal insulation. Wikipedia. Reference report. Accessed 10 November 2026.
What it supports: General definition of thermal insulation and of a thermal break or thermal barrier.
Limits: Encyclopedia overview, not a standard or test method; The page redirects to the broader Thermal insulation article and is not specific to window frames. - Dali, Guangdong. Wikipedia. Reference report. Accessed 10 November 2026.
What it supports: Administrative position of Dali as a town in Nanhai District, Foshan; coordinates; a brief statement about its aluminum extrusion industry.
Limits: Encyclopedia entry, not a government or industry-association cluster report; The industry sentence is unsourced on the page and is treated as a low-confidence lead, not a measured cluster statistic. - Foshan. Wikipedia. Reference report. Accessed 10 November 2026.
What it supports: Administrative status of Foshan, its five districts including Nanhai, the 2020 census population and general economic background.
Limits: Encyclopedia summary; population and administrative details should be checked against current official sources before publication decisions that depend on them; The article does not establish supplier capability or current factory locations.
Research limits
- The single price sample is a customer-review line with an ambiguous product title and no Incoterm or quantity basis.
- No sample window, factory visit or performance test was reviewed.
- No MOQ sample was collected for this category.
- The single price sample is incomplete and has an ambiguous product title.
- No MOQ sample was collected.
Exclusions: Lift-and-slide doors.; Shop drawings.; Sample inspection..