Super White Sink and Bathtub
STOOANCE’s Super White Sink and Bathtub is a grey natural stone product in the quartzite category for indoor bathroom projects. The source lists a polished finish, straight edges, project-customized sizes, and thickness options of 18, 20, and 30 mm. Other thicknesses can be reviewed against the design.
Send drawings and application details to confirm the sink or bathtub configuration, cutouts, thickness, and fabrication feasibility. Approve the actual material or batch before production: natural color, veining, and fissures can vary.
- Grey stone with a polished finish for indoor use.
- Project-customized dimensions and straight-edge detailing.
- Material and batch approval before fabrication.
- Inspection photos or video, numbering, and packing records available according to the order.


Super White Quartzite: Grey Color and Natural Variation
STOOANCE lists Super White Sink and Bathtub as a grey natural stone product in its quartzite category. “Super White” is the product name, not a promise of a uniform white surface. The appearance of each piece depends on the selected material, so review the actual sample or batch before approving its color for a bathroom project.
Natural stone can vary in tone, veining, pores, and fissures within a batch and between batches. Resin treatment may also be present where needed. A small sample helps establish the general look, but it may not show the full range of a larger piece. For orders where visual consistency matters, STOOANCE can support remote slab selection and photo or video review of the proposed material.
Agree on an acceptable color range and the placement of prominent natural features before production. If a project requires a verified geological classification rather than the commercial quartzite designation, request confirmation for the selected stone.
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Custom Dimensions and Cutouts for Bathroom Pieces
STOOANCE lists the Super White Sink and Bathtub for project-customized sizing. The source lists 18 mm, 20 mm, and 30 mm thicknesses, plus other customized thicknesses. The appropriate thickness for each piece must be confirmed against its design, selected material, and fabrication drawings; a listed slab thickness does not establish the finished wall thickness of a sink or bathtub.
For a quotation and fabrication review, provide dimensioned drawings that identify:
- Overall length, width, height, and the required basin or tub interior dimensions.
- Drain, faucet, and any overflow positions, with cutout sizes and fitting specifications.
- Straight-edge details, visible faces, joint locations, and any required openings or recesses.
- Quantity, installation clearances, support conditions, and the dimensions of adjoining vanity or surround pieces.
STOOANCE can review the proposed cuts and shaping against the approved material and drawings. Confirm the final dimensions, thickness, polished finish, edge details, and cutout locations before production. If fixtures or site measurements are still pending, mark those details for confirmation rather than relying on nominal dimensions.
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Coordinating Polished Pieces for Indoor Bathrooms
A sink and bathtub can be planned alongside a Super White vanity top for a consistent indoor bathroom scheme. This product is listed with a polished finish and straight edge. STOOANCE can review the intended combination against the selected material and fabrication drawings before production.
For pieces that will sit near one another, approve the actual slabs or batch together. A dry lay can help the project team review how the surfaces relate across the sink, bathtub, and vanity area. Vein direction and piece numbering can then be recorded against the agreed layout so each component has a clear place in the installation plan.
STOOANCE checks finish consistency, edges, quantities, labels, and packing as part of its order-specific quality control. Inspection photos or video and packing records can be arranged according to the order. Share the bathroom layout and the relationship between pieces when requesting a quote; the final material selection and production details should be confirmed before fabrication. Overseas installation is normally handled by qualified local contractors.
Request a QuoteTechnical Specifications
Product Information
- Product
- Super White Sink and Bathtub
- Material / Category
- Quartzite
- Size
- Project Customized Size
- Thickness
- 18mm, 20mm, 30mm, Other Customized Thickness
- Finish
- Polished
- Location
- Indoor
- Countertops Type
- Vanity Tops
- Edge Type
- Straight
- Color
- Grey
- Material
- Quartzite
Order Confirmation
- Selected Material
- Approve the actual material, batch or sample before production
- Custom Fabrication
- Dimensions, thickness, finish, edges and cutouts are confirmed from drawings
- Quality Records
- Inspection photos or video, labels, numbering and packing records are available according to the order
Super White Sink and Bathtub FAQ
Review these common sourcing questions, then send your project requirements for a product-specific quotation.
Request a QuoteIs the sink or bathtub carved from a single block or assembled from stone pieces?
The supplied product details do not say whether the Super White sink or bathtub is carved from one block or assembled from stone pieces. STOOANCE offers drawing-based custom stone fabrication, but the construction method for this product needs confirmation. Send the desired dimensions, design drawings, and any preference for a single-piece or assembled construction. STOOANCE can then review the selected material and confirm a feasible fabrication method before production.
Can drain, faucet, and overflow openings be made to project drawings?
Yes. STOOANCE offers drawing-based stone fabrication, and cutouts are confirmed from project drawings. For this Super White sink and bathtub product, send the drain, faucet, and overflow locations, opening sizes, fixture specifications, and overall dimensions. STOOANCE can then review the selected material and thickness and confirm whether each opening is feasible before production. The product information does not specify standard opening sizes or a preapproved overflow design, so the final layout needs approval against the actual fixtures and drawings.
Do the listed 18 mm, 20 mm, and 30 mm thicknesses apply to both the sink and bathtub?
The listing does not confirm that 18 mm, 20 mm, and 30 mm apply to both the sink and the bathtub. It lists those thicknesses for the combined product without assigning them to either item. STOOANCE confirms dimensions, thickness, finish, edges, and cutouts from project drawings. Send separate drawings for the sink and bathtub, including the proposed construction and dimensions, so STOOANCE can confirm which thicknesses are feasible for each before production.
Can a matching Super White vanity top be fabricated for the same bathroom?
Yes. STOOANCE can fabricate a Super White vanity top to coordinate with the sink and bathtub. The listed product is grey, polished quartzite with a straight edge; vanity tops and project-customized sizes are supported. An exact visual match cannot be promised because natural colour and veining vary between pieces and batches. Send the vanity dimensions, sink cutout and drawings, then review the actual material together before approving the batch, thickness and fabrication details.
Is a finish other than polished available for the selected material?
Possibly. The listed finish for the Super White Sink and Bathtub is polished. STOOANCE offers other stone finishes, including honed, leathered, and brushed, but each depends on the selected material and application. No alternative finish has been confirmed for this product. Tell STOOANCE which finish you want and provide the project drawings; the team can review the selected batch and fabrication details, then confirm whether that finish is suitable before production.
Can STOOANCE arrange remote material selection for Super White Sink and Bathtub?
Yes. STOOANCE supports current-stock checks, remote video selection, batch reservation, and photo or video records. Current availability and the final approved batch must be confirmed before production.
How does STOOANCE control quality before shipment?
STOOANCE checks the approved sample or batch, drawings, dimensions, thickness, finish, edges, colour range, natural fissures, resin treatment, flatness, quantities, numbering, labels, and packing. The inspection plan is matched to the order and application.
Are stone samples free?
Samples are free. The buyer pays the courier charge in advance, and that courier cost can be credited after a formal order is placed.
What information is needed for a quotation?
Send the material or reference image, dimensions, thickness, finish, quantity, edge details, drawings, packing requirements, destination, and schedule. STOOANCE then confirms the suitable supply and fabrication route.
Your One-Stop Stone Supplier
From marble, granite and quartzite slabs to tiles, countertops, vanity tops, stairs and decorative stonework, STOOANCE offers a comprehensive range of stone materials and finished products. Our sourcing and custom fabrication capabilities help you manage wholesale orders and complete stone projects with one team.
Careful material selection, precise cutting and finishing, and quality inspection before packing help deliver consistent workmanship across your order. Whether you need standard products or custom pieces, send us your drawings, reference photos or purchasing list. Tell us the sizes, quantities and destination, and our team will help you choose suitable options and prepare a quotation.
Get Samples & Quotation

HOW WE WORK
Our Stone Supply Process
From material selection and custom fabrication to quality inspection and export packing, STOOANCE coordinates each stage to make your stone purchasing easier.
- 01
Share Your Requirements
Send us your product list, drawings or reference photos, along with sizes, quantities, application and delivery destination.

- 02
Select Your Stone
We help you compare materials, colors, veining and finishes to find suitable stone options for your design and budget.

- 03
Receive Your Quotation
Get a detailed quotation based on your selected materials, fabrication requirements, quantities, packing and agreed shipping scope.

- 04
Review Material Samples
Review samples and available slab photos to confirm the color range, surface finish and overall appearance of your selected stone.

- 05
Confirm Fabrication Details
Work with our team to confirm dimensions, edge profiles, cutouts and vein direction before fabrication begins.

- 06
Confirm Your Order
Finalize the specifications, quantities, payment terms and production schedule so your order can move forward with clear requirements.

- 07
Production & Fabrication
Your stone is cut, shaped and finished according to the confirmed specifications and approved drawings.

- 08
Quality Inspection
We check dimensions, surface finish, edges and overall workmanship against the confirmed order requirements before packing.

- 09
Protective Export Packing
Finished pieces are protected, labeled and packed according to the product type and agreed shipping requirements.

- 10
Shipping & Order Support
We coordinate shipment arrangements and documentation, and stay in touch to support delivery questions and feedback after arrival.

Get Samples & Quotation
Send your material reference, drawings, dimensions, finish, quantity and destination. These details help define the sample and quotation request.
STOOANCE product enquiries
Project details and material references are welcome.

Super White Sink and Bathtub Buyer’s Guide
Use this guide to decide whether Super White suits your bathroom project, compare sink and bathtub fabrication options, evaluate supplier evidence and quotations, and avoid costly mistakes in sample approval, drawings, inspection, and delivery.
What Is Super White Sink and Bathtub?
STOOANCE lists Super White Sink and Bathtub as a project-customized indoor bathroom product in grey Super White quartzite, with a polished finish and straight edge. The listing identifies a material and intended product category; it does not establish an approved sink or bathtub design.
Super White is a commercial stone name, so the geological classification of the selected material should be verified rather than assumed from the label. Before fabrication, approve the actual batch and drawings showing the proposed form, dimensions, thickness, drainage details, and edge treatment. Fabrication feasibility must then be checked against the selected stone and design.
Super White Sink and Bathtub Configurations
Super White Sink and Bathtub orders can involve separate fixtures, stone cladding, or fabricated stone vessels. Choose the configuration before approving material quantities and drawings.
| Configuration | Fabrication and Material | Support, Access, and Coordination |
|---|---|---|
| Undermount sink | Cut vanity top; separate bowl | Cabinet supports top; coordinate bowl fixing and service access |
| Vessel basin | Drill vanity top; separate bowl | Support bowl; coordinate drain and faucet access |
| Integrated basin | Shape basin and top; greater stone use | Confirm support, drainage, and installer connections |
| Stone-clad surround | Cut cladding around separate tub | Tub carries water; preserve service-panel access |
| Custom stone bathtub | Fabricate vessel; substantial stone use | Engineer support; coordinate waterproofing, drain, and installation |
Separate Sink Options
Undermount and vessel sinks use separate bowls.
Confirm cutouts, fixing details, and faucet positions.
Integrated Stone Basin
An integrated basin requires shaped stone components.
STOOANCE must review drawings for fabrication, support, and drainage feasibility before offering it.
Bathtub Options
A surround clads a separate tub.
A custom stone bathtub requires drawing-based feasibility review before STOOANCE can offer it.
Is Super White Suitable for Wet Bathroom Areas?
Super White Sink and Bathtub is listed for indoor use, but wet-area suitability depends on the selected stone and fixture design. Review the actual batch and intended exposure before approval.
Water Exposure and Drainage
A sink or tub needs a drain path that prevents standing water. Shower-adjacent and commercial surfaces need review against their expected exposure.
Local installers should confirm drainage details and whether the proposed stone, surface treatment, and joint design suit the application.
Surface and Cleaning
The listed finish is polished; any protective treatment should be assessed on the actual stone. Ask for material-specific guidance on cleaning products, treatment, and maintenance.
Fissures and Bowl Geometry
Natural fissures and resin repairs need inspection where water will collect. Deep bowls, tight curves, and thin edges create fabrication and handling risks.
A tub design warrants material-specific evidence and local installer input before production.
Choose the Finish, Color Range, and Vein Layout
The listed finish for Super White Sink and Bathtub is polished. Approve it under bathroom lighting, where reflections and visible water marks may affect the look and cleaning routine.
Confirm the Surface Finish
A polished sample shows the intended sheen but may reveal dried droplets. Choose it with the project’s maintenance preferences in mind.
Honed or textured finishes are possibilities only after STOOANCE reviews the selected material and fabrication requirements.
Review Grey Range and Veins
Super White’s grey tones and veining vary across natural slabs. View full slabs under project lighting before fixing the acceptable color range.
Mark vein direction and check how neighboring sink, tub, and vanity pieces meet.
Record the Approval
The finish sample should identify the selected batch, surface finish, and acceptable appearance. Keep the approved sample as the production reference.
The layout approval should show slab photos, piece positions, vein arrows, and adjacent-piece matches.
Dimensions and Drawings for Super White Sink and Bathtub
STOOANCE fabricates Super White Sink and Bathtub components from approved shop drawings. Record finished dimensions and fixture interfaces before releasing cutting files.
Stone Geometry
Show overall dimensions, bowl depth, wall thickness, straight edges, and every cutout. Listed thicknesses are 18 mm, 20 mm, and 30 mm; none is automatically suitable for every design.
Plumbing and Assembly Details
Locate drain and overflow centers and faucet holes against the selected fixtures. Show seams, supports, and access panels, including the space needed to connect and service plumbing.
Approval Before Cutting
Approve dimensional tolerances and interfaces with the actual fixtures before fabrication starts. STOOANCE should reconcile the drawings with the selected stone thickness and the local installer’s support requirements.
Approve Samples and the Actual Stone Batch
For a Super White Sink and Bathtub, approve the stone you will receive, not only the reference image. Record each approval before fabrication begins.
Confirm the Finish Sample
Start with a reference image and request a physical polished sample. Approve its finish and general gray color range; a small piece cannot show every vein, fissure, or treated area.
Select and Reserve the Batch
Review current slabs or blocks through in-person inspection or remote video. Mark acceptable color variation, natural features, visible resin treatment, and vein placement on dated photos before reserving the selected batch.
Sign the Production Standard
Use the approved sample, batch images, and marked layout as the signed production standard. Confirm which faces and features are acceptable for the sink and bathtub components before cutting.
Fabrication and Quality Checks Before Shipment
STOOANCE reviews approved drawings and the selected Super White batch before cutting. Sink and bathtub designs require separate checks of shaping feasibility, wall thickness, drain position, and support.
Cutting and Shaping
CNC shaping and edge profiling must follow the approved basin or tub geometry. Drain openings, seams, and straight edges need drawing checks before fabrication.
Natural fissures may require resin treatment; confirm its location and appearance on the selected stone.
Checks During Production
Approved samples and drawings set the reference for dimensions, thickness, finish, and color range. In-process checks examine flatness, edge quality, drain alignment, and polished-surface consistency.
Final Inspection and Records
Finished pieces are checked for quantity, labels, numbering, and packing before shipment. A dry lay helps assess visible seams or vein continuity; photos or video help remote buyers resolve acceptance questions.
How to Evaluate a Stone Fabrication Supplier
STOOANCE operates three specialized stone factories in Shuitou. For a Super White Sink and Bathtub order, evaluate the actual batch, proposed design, and production controls.
Batch Access and Relevant Experience
Request current Super White availability and images of the selected batch. Ask for examples of comparable bathroom components and how the supplier addressed seams, drains, and supports.
Drawings and Fabrication Route
Shop drawings should define dimensions, thickness, cutouts, edges, and assembly details. Ask the supplier to explain its cutting, CNC shaping, and dry-lay plan; feasibility depends on the design and selected stone.
Inspection, Communication, and Packing
STOOANCE supports remote selection, video inspection, piece numbering, and photographic quality records. Request an order-specific production plan, applicable documentation, a progress contact, and an export packing proposal.
Packing, Freight, and Installation Handover
Super White Sink and Bathtub components need packing matched to their shape and weight. Agree on protection, shipment terms, and site handover before dispatch.
Packing by Component
Sinks and tubs need shape-specific crating and bracing that prevents movement. Confirm waterproof wrapping, edge protection, labels, and handling instructions for each piece.
STOOANCE can pack by room or installation sequence; approve the packing plan against the final components.
Freight and Arrival Checks
EXW, FOB, CIF, or DDP terms depend on the destination and order review. Confirm site access, unloading equipment, and who receives the shipment.
Crates should be inspected for visible damage on arrival. Photograph any damage before unpacking and record discrepancies against the labels.
Installation Handover
Overseas installation is normally completed by qualified local contractors. Provide them with approved drawings and piece labels before work begins.
Stone supports, plumbing connections, and sealing details need coordination with the local installer and relevant trades.
Common Buying Mistakes and How to Avoid Them
Super White Sink and Bathtub orders need approvals tied to the actual stone and each finished fixture. Resolve material, drawing, and delivery gaps before fabrication.
Verify Material and Batch
Super White is a commercial name; request documentation for the selected stone’s geological classification.
A small sample cannot define the whole fixture. Approve actual batch photos or video and a written range for color, veining, and fissures.
Specify the Bathtub Separately
A vanity-top specification does not validate a bathtub. Require separate shop drawings showing thickness, drain, overflow, faucet clearances, and support.
Local installers should approve plumbing connections and structural support before cutting.
Check Packing and Site Access
Packing records should identify protection, orientation, and packed dimensions.
Site drawings should confirm unloading equipment and door or elevator clearance for the packed fixture.
Super White Sink and Bathtub Pricing and Purchase Decisions
STOOANCE quotes a Super White Sink and Bathtub against the approved stone batch and fabrication drawings. Compare quotations only when scope, finish, inspection, and delivery terms match.
Final cost and schedule depend on the approved material, drawings, order scope, destination, and current production capacity. Confirm these inputs before placing the order.
| Cost driver | Information needed for quotation | Buyer decision |
|---|---|---|
| Material and batch | Selected slabs, color range | Approve actual batch |
| Fabrication complexity | Sink and tub drawings, cutouts | Approve construction details |
| Finish and edges | Polish and edge profiles | Confirm visible surfaces |
| Inspection | Checks and documentation required | Agree acceptance criteria |
| Packing | Protection and labeling requirements | Confirm handling plan |
| Freight | Destination and delivery terms | Choose agreed Incoterm |





