Helen Frankenthaler Kitchen & Bathroom Sink Manufacturing & R&D Center

handmade stainless steel sink base

Stainless Steel Kitchen Sink Manufacturer | Handmade & Drawn Factory | Luxuryhome

Stainless Steel Kitchen Sink Manufacturer

Scalable manufacturing solutions for global sanitary brands. We produce cUPC-certified, Handmade, and Drawn sinks using premium SUS304 Stainless Steel, tailored to your market’s specific thickness and finish requirements.

Explore Our Range

Explore our diverse range of high-demand styles. We engineer sinks that drive sales and satisfy end-users.

Our Manufacturing Process

Witness the precision behind every sink. From Laser Cutting and Hydraulic Pressing to skilled Manual Welding, see how we transform raw SUS304 sheets into premium kitchen centerpieces.

Material Quality

We strictly utilize 304 Stainless Steel to ensure consistent nickel/chromium content (18/8 or 18/10) for superior corrosion resistance.

  • 16-Gauge (1.5mm): Heavy-duty specification for premium handmade sinks, offering superior dent resistance.

  • 18-Gauge (1.2mm): The industry standard for drawn sinks, balancing durability with cost-efficiency.

  • Finish Consistency: Our automated brushing lines ensure a uniform Commercial Satin finish across every batch.

Sound & Thermal Insulation

Our sinks are engineered to meet strict acoustic and thermal standards.

  • Heavy-Duty Sound Guard: We apply 3mm thick EVA pads covering >80% of the sink base (exceeding standard coverage) to dampen vibration and metal resonance.

  • Stone-Guard Undercoating: Full-body spray coating prevents condensation build-up caused by temperature differences, protecting the user’s cabinet from water damage and mold liability.

Accessories & Upgrades

We offer custom-fit accessories designed to slide perfectly on the integrated ledge, helping you increase the average unit price and market competitiveness of your sink packages.

  • Prep & Clean Kits: Premium Solid Wood Cutting Boards (Sapele/Bamboo), SS304 Roll-Up Drying Racks, and Nano Colanders designed with strict tolerances for a wobble-free fit.

  • Functional Upgrades: Add modern convenience with high-pressure Glass Rinsers and heavy-duty Soap Dispensers. Available in matching PVD finishes.

  • Drainage Solutions: Color-matched Basket Strainers and space-saving Plumbing Kits ensure leak-proof performance and aesthetic unity.

Precision Engineering & Installation

Strict dimensional control prevents warpage, ensuring seamless integration with stone countertops.

  • Laser-Flat Rims: Rims are calibrated to <2mm flatness tolerance for a perfect, leak-proof seal in undermount installations.

  • Standard Drain Openings: Precise 3-1/2″ (90mm) drain placement ensures 100% compatibility with US garbage disposals.

  • Installation Ready: Every unit includes CAD-precision cutout templates and heavy-duty mounting clips to speed up onsite work.

Certifications & Compliance

Compliance is key to market entry. Our stainless steel sinks are manufactured to meet the strictest global plumbing codes, ensuring seamless installation and inspection approval.

  • North America: Certified to cUPC standards (ASME A112.19.3 / CSA B45.4), ensuring drainage performance and structural integrity.

  • Europe: Compliant with CE(EN 13310) for kitchen sinks.

  • Material Safety: All sound-deadening pads and anti-condensation coatings are RoHS/REACH compliant and non-toxic.

Logistics & Packaging

We understand that ocean freight is a significant cost factor for sinks. We offer Nested Loading Solutions to maximize your ROI.

  • High-Density Loading: By stacking sinks (nesting) on secure pallets, we can increase container capacity by up to 40% compared to individual boxing.

  • Damage Prevention: Each nested unit is separated by high-density foam corners and cardboard to prevent friction scratches during transit.

Matching Faucets

Pair your sinks with our precision-engineered kitchen faucets for a unified look.

  • Visual Harmony: Finishes (Brushed Steel, Gunmetal) are calibrated to match perfectly between sink and faucet.

  • Logistics Advantage: Consolidate your order to save shipping costs by nesting faucet boxes within sink bowls.

Catalog & Contact

Beyond what’s online, our exclusive catalog features new arrivals and upcoming designs. Reach out for your personalized copy and discover more.

Frequently Asked Questions

What kind of mounting clips do you provide?

We supply heavy-duty Stainless Steel mounting clips(not plastic). For undermount sinks, we provide adjustable clips suitable for various countertop thicknesses (20mm-40mm) to ensure secure load-bearing.

Should I choose R0 or R10 corners for my private label collection?

R0 (Zero Radius) offers a sharp, architectural look but is harder to clean. R10 (10mm Radius) offers a similar modern aesthetic but with slightly rounded corners that are easier to wipe down. We can manufacture both based on your market preference.

Are your sink drains compatible with Garbage Disposal units?

Yes. All our sinks for the North American market feature a standard 3-1/2″ (90mm) rear-set drain opening, which is fully compatible with standard garbage disposals.

What is the flatness tolerance for undermount installation?

Warped rims are an installer’s nightmare. We perform Laser Flatness Checks on every rim. Our tolerance is strictly controlled within <2mm, ensuring a tight, leak-proof seal with granite or quartz countertops.

How do you ensure water drains completely from flat-bottom handmade sinks?