Industrial Grade OEM & ODM Manufacturing

Wholesale Gold Kitchen Sink Drain Manufacturer & Supplier

Engineered B2B Sanitary Ware Solutions: Solid Brass Metallurgy, Physical Vapor Deposition (PVD) Titanium Gold Coating, and Dual-Origin Global Supply Resilience for Enterprise Importers & Brands.

Featured Product Line - Part I

Precision-Engineered Kitchen & Plumbing Assemblies

Standard-compliant brass and stainless strainers, waste disposal adapters, and bath hardware manufactured under ISO 9001 and UPC certifications.

China Deep Junior Duo Basket Strainer JN-1205 Manufacturers, Supplier
China Deep Junior Duo Basket Strainer JN-1205 Manufacturers, Supplier
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Wholesale Sink Strainer JN-1009 Manufacturer, Factories
Wholesale Sink Strainer JN-1009 Manufacturer, Factories
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China Side Mount Tank Lever JN-2013 Supplier, Suppliers
China Side Mount Tank Lever JN-2013 Supplier, Suppliers
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Wholesale Dielectric Nipple JN-3012 Supplier, Factories
Wholesale Dielectric Nipple JN-3012 Supplier, Factories
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China Lift & Turn Bath Waste Conversion Kits JN-6110 Supplier, Factory
China Lift & Turn Bath Waste Conversion Kits JN-6110 Supplier, Factory
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Wholesale Plastic Shower Drain JN-6306 Supplier, Factories
Wholesale Plastic Shower Drain JN-6306 Supplier, Factories
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Wholesale Side Mount Tank Lever JN-2002 Supplier, Factory
Wholesale Side Mount Tank Lever JN-2002 Supplier, Factory
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China Brass Round Umbrella Drain JN-5012-NOF-L Supplier, Factory
China Brass Round Umbrella Drain JN-5012-NOF-L Supplier, Factory
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Industry Technical Whitepaper

Engineering Excellence in Gold Kitchen Sink Drains

In modern architectural plumbing design, the kitchen sink drain assembly has transitioned from a purely mechanical utility into an essential aesthetic anchor. As commercial hospitality, high-end residential real estate, and boutique kitchen brands standardize on warm metallic finishes, sourcing high-durability Gold Kitchen Sink Drains at wholesale scale requires deep technical rigor.

HV 2200+
PVD Surface Hardness
480+ Hrs
Neutral Salt Spray (NSS)
100%
Lead-Free CW602N / C37700
0.02 mm
CNC Machining Precision

Substrate Integrity & Lead-Free Brass Metallurgy

A gold finish is only as stable as the underlying alloy. Cheap zinc alloy or standard scrap brass prone to dezincification will corrode when exposed to garbage disposers, acidic juices, and harsh household chemicals. Premier gold sink strainers utilize heavy-gauge, forged lead-free solid brass (such as C37700, DZR CW602N, or HPb59-1) or surgical-grade AISI 304 stainless steel. This ensures zero risk of stress corrosion cracking (SCC) under high installation torque and guarantees compliance with North American AB1953 lead-free mandates.

Advanced PVD Gold Sputtering vs. Organic Lacquers

Traditional wholesale suppliers often rely on wet electroplating or epoxy lacquer coatings, which degrade under hot thermal shock (>80°C) and abrasive scouring pads. Modern B2B standards mandate Physical Vapor Deposition (PVD) Titanium Nitride (TiN) or Zirconium Gold sputtering. Executed in ultra-high vacuum chambers, PVD creates a molecular bond with atomic thickness, providing extreme scratch resistance, imperviousness to tarnish, and color matching with leading gold kitchen faucet lines.

Technical Comparative Analysis

Surface Treatment Engineering Matrix

Evaluating finish technology performance across commercial laboratory testing protocols.

Performance Metric PVD Titanium Gold (JANA Tech) Standard Electroplated Gold Liquid Spray / Lacquer Gold
Microhardness (Vickers HV) HV 2200 – 2500 (Scratch Proof) HV 300 – 400 (Moderate) HV 50 – 100 (Soft)
Salt Spray Corrosion (NSS ISO 9227) 480 Hours + (Zero Pitting) 96 Hours (Potential Flaking) 24 Hours (Early Degradation)
Thermal Shock Tolerance -40°C to +250°C Continuous Up to 100°C (Peeling risk) Fails above 80°C
Chemical / Acid Resistance Impervious to pH 1–13 (Bleach/Citrus) Stains with acidic cleaners Dissolves with solvents
Color Consistency (Delta E) < 0.5 (Spectrophotometer Matched) 1.5 – 3.0 (Batch Variation) > 3.0 (High Drift)
Pro Procurement Insight for B2B Importers

When specifying wholesale gold sink strainers for luxury residential projects or national hardware retail distribution, always verify whether the supplier applies PVD directly to a polished nickel/chrome underlayer or raw brass. Direct-to-brass PVD can suffer from zinc migration over time. JANA Plumbing utilizes a multi-layer nickel-chromium plating base prior to vacuum PVD, guaranteeing decades of luster without color shifting.

Innovation Pipeline

Technology Roadmap & Future Outlook

How next-generation material science and smart manufacturing are transforming kitchen drainage systems.

Hydrophobic Nanocoatings

Future gold drain hardware incorporates molecular lotus-effect coatings over the PVD titanium layer. These oleophobic and hydrophobic nanofilms prevent water spot accumulation, greasy grease residue buildup, and lime deposit formation, rendering drains virtually self-cleaning under standard water pressure.

Smart Thermal & Clog Sensors

Integrating IoT-compatible micro-thermistors and ultrasonic sensor collars inside commercial deep-basket strainer housings. These components monitor wastewater temperature thresholds to protect grease traps and alert facility managers to impending blockages before backflow occurs.

Eco-Brass Zero-Lead Alloys

Anticipating stricter environmental mandates globally (such as EU REACH and updated California Proposition 65 standards), JANA is migrating 100% of gold drain production to silicon-modified bismuth brass alloys, eliminating lead trace elements while enhancing tensile strength and thread torque thresholds.

Application Ecosystems

Macro Industry Vertical Solutions

Customized hardware configurations tailored for specialized international commercial sectors.

1. Luxury Multi-Family Residential Developments

High-rise residential developments demand cohesive interior finishes. We supply OEM branded wholesale gold sink drains paired with matching disposer flanges, overflow plates, and air gaps. Features include heavy-duty locknuts with rolled double threads for quick installation by plumbing contractors, cutting jobsite labor costs by up to 15%.

2. Commercial Hospitality & Foodservice

Hotel kitchen prep sinks and bar installations require high-flow duo basket strainers capable of handling continuous chemical sanitizers and solid waste loads. Our commercial junior duo strainers utilize extra-deep brass cups, heavy EPDM rubber seals, and solid brass stoppers engineered for over 100,000 actuation cycles.

3. Offsite Prefabricated & Modular Housing

Modular housing manufacturers require standardized plumbing sub-assemblies. JANA provides pre-assembled gold sink strainers equipped with factory-tested tailpieces, reduction gaskets, and cardboard/retail blenders ready for instant drop-in fitment during factory module assembly.

4. Marine & Luxury RV Plumbing Systems

Yachts and recreational vehicles present aggressive vibration environments and saltwater air exposure. Our specialized lightweight brass and SS304 compact gold basket drains feature anti-vibration locking rings and high-durability silicone seals designed to withstand chassis flexing and harsh marine salt spray.

Smart Manufacturing & Global Logistics

China Factory 4.0: Supply Chain Resilience

Mitigating geopolitical risk and supply disruption with dual-base manufacturing across China and Thailand.

China Headquarters (Yuhuan, Zhejiang)

Operating since 1998, our Yuhuan facility serves as the engineering center for hydraulic forming, progressive die stamping, precision CNC thread milling, and fully automated robotic polishing lines. This core plant houses our metallurgical testing laboratory and centralized R&D department.

Thailand Manufacturing Base (Prachinburi)

Operational since December 2023, Gateway Enterprise Corporation (Thailand) Co., Ltd. spans 14,400 m² in Kabinburi Industrial Zone. Designed to provide North American importers with tariff optimization, zero anti-dumping risk, and resilient dual-origin production capability.

End-to-End ERP / MES Integration

Every lot of brass rod and finished gold kitchen sink drain is tracked via cloud-connected MES systems. From raw material spectrographic analysis to automated vision-inspection camera sorting and barcode packaging, JANA guarantees complete batch traceability for compliance audits.

Global Compliance Architecture

Localization Support & Regulatory Assurance

Ensuring flawless integration into North American, European, and Australian building code requirements.

North American Plumbing Code Compliance

Our gold kitchen sink drain assemblies are engineered in accordance with ASME A112.18.2 / CSA B125.2 plumbing fixture waste fittings standards. Key models hold certified cUPC (Uniform Plumbing Code) listings managed via IAPMO, ensuring immediate approval by local plumbing inspectors across all 50 US states and Canadian provinces.

Health & Environmental Safety Standards

Potable water contact surfaces and sink components comply with NSF/ANSI 61 (Drinking Water System Components - Health Effects) and NSF/ANSI 372 (Lead Content Compliance). All brass raw materials maintain weighted lead content below 0.25%, meeting California AB1953 mandates.

Target Region Key Regulatory Certifications Dimensional & Thread Specification Local Logistics Support
United States & Canada cUPC (IAPMO), AB1953, NSF/ANSI 61/372 3-1/2" Standard Sink Opening / 1-1/2" NPSM Threads DDP Freight, US Warehouse Buffer Stocking
European Union (EU) CE, EN 274 Waste Fittings Compliance G 1-1/2" Thread / 90mm European Sink Opening Custom Packaging & Multilingual Master Cartons
Australia & New Zealand WaterMark Level 1 / AS/NZS 3718 50mm Outlet / Australian Standard Pitch Threads Direct Container Delivery to Sydney/Melbourne
Custom OEM/ODM Engineering

Global Enterprise Procurement Framework

A structured manufacturing workflow tailored for high-volume hardware brands, OEM sink fabricators, and big-box distributors.

1

CAD/CAM Engineering

We work directly from 3D STEP files, SolidWorks drawings, or physical samples, providing rapid DFM (Design for Manufacturability) analysis within 24 hours.

2

Custom Tooling & Mold

In-house CNC mold production for specialized strainer geometries, deep disposer flanges, and custom logo etching on gold stoppers.

3

Pre-Production Sampling

Complete CMM dimensional inspection reports, PVD gold color spectro-readings, and salt spray test certificates accompanying initial samples.

4

Scalable Volume Production

Flexible MOQ starting from 500 units per SKU with automated carton packing, barcode labelling, and consolidated container shipping.

Featured Product Line - Part II

Specialized Plumbing Components & Accessories

Complete your product catalog with high-turnover replacement parts, disposer flanges, and decorative brass hardware.

China Replacement Strainer Basket JN-1116 Supplier, Factory
China Replacement Strainer Basket JN-1116 Supplier, Factory
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Wholesale Deep Style Disposer Flange & Stopper Set JN-1303 Manufacturer, Supplier
Wholesale Deep Style Disposer Flange & Stopper Set JN-1303 Manufacturer, Supplier
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Wholesale Flower Style Overflow Plate JN-6107 Factories, Factory
Wholesale Flower Style Overflow Plate JN-6107 Factories, Factory
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China Toe Touch Conversion Kit-2 Hole JN-6112 Manufacturer, Manufacturers
China Toe Touch Conversion Kit-2 Hole JN-6112 Manufacturer, Manufacturers
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China Brass Closet Spud JN-3001 Manufacturers, Suppliers
China Brass Closet Spud JN-3001 Manufacturers, Suppliers
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China Quick-connect Sink Strainer JN-1011 Manufacturer, Suppliers
China Quick-connect Sink Strainer JN-1011 Manufacturer, Suppliers
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China 4-1/4" OD Snap-in Strainer Grid JN-6323 Supplier, Factory
China 4-1/4" OD Snap-in Strainer Grid JN-6323 Supplier, Factory
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Wholesale Deep Cup Sink Strainer With Rolling Thread JN-1016 Manufacturers, Supplier
Wholesale Deep Cup Sink Strainer With Rolling Thread JN-1016 Manufacturers, Supplier
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Knowledge Base & Technical Support

Frequently Asked Procurement Questions

Detailed technical answers addressing quality assurance, manufacturing lead times, and customization options.

Why is PVD Gold preferred over wet electroplating for wholesale kitchen sink drains?
Physical Vapor Deposition (PVD) produces a micro-thin, highly dense metallic film under high-vacuum conditions. Unlike standard wet electroplating or epoxy gold lacquer, PVD titanium gold achieves extreme microhardness (HV 2200+), resisting abrasive kitchen sponges, harsh bleach, and boiling water thermal shocks up to 250°C without peeling, flaking, or tarnishing over decades.
Does JANA Plumbing offer dual-origin shipping options outside of China?
Yes. In addition to our primary manufacturing headquarters in Yuhuan, Zhejiang, China, we operate Gateway Enterprise Corporation (Thailand) Co., Ltd. in Kabinburi Industrial Zone, Thailand. Spanning 14,400 square meters, our Thailand facility allows global buyers to diversify supply chains and optimize tariff structures under direct factory oversight.
What raw brass standards are used to manufacture your gold sink strainers?
We strictly utilize lead-free brass alloys, including C37700, DZR (Dezincification Resistant) CW602N, and HPb59-1. Every batch of incoming raw material undergoes X-ray fluorescence (XRF) spectrographic testing to guarantee lead content remains under 0.25%, fully complying with California AB1953 and NSF/ANSI 372 standards.
Are your gold kitchen sink drains certified under North American plumbing codes?
Yes. Our standard drain series hold cUPC (Uniform Plumbing Code) listings certified by IAPMO. Products are manufactured in full alignment with ASME A112.18.2 / CSA B125.2 standards for waste fittings. Official listing documentation and testing numbers can be provided upon request during the sample approval stage.
Can you match custom gold finish swatches provided by faucet manufacturers?
Absolutely. Utilizing advanced spectrophotometers, our finishing lab matches specific target finishes including Brushed Gold, Brushed Brass, Rose Gold, Champagne Bronze, and Polished Gold. We maintain strict color tolerance standards (Delta E < 0.5) to ensure seamless color harmonization with major faucet lines.
What is the standard production lead time and minimum order quantity (MOQ)?
For standard catalog SKUs, our typical manufacturing lead time is 30 to 45 days. Minimum order quantities generally start at 500 units per model. For custom OEM designs requiring new mold fabrication, tooling requires approximately 20 to 25 days, followed by pre-production sample approval prior to mass production.