Enterprise Engineering & Global Supply Whitepaper

China Stainless Steel Basket Strainer Supplier & Suppliers

Comprehensive Technical Analysis, Metallurgical Performance Standards, Global Plumbing Code Compliance (UPC/cUPC), and Dual-Origin (China & Thailand) Sourcing Resilience.

Primary Product Lineup (Part I)

Featured Commercial & Residential Drain Components

Precision-engineered sink strainers, disposer flanges, and lavatory drain assemblies certified for North American and European building codes.

China Disposer Flange & Stopper Set JN-1305 Supplier, Factory

China Disposer Flange & Stopper Set JN-1305 Supplier, Factory

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China Snap & Press Stopper Drain Assembly JN-6103 Manufacturer, Manufacturers

China Snap & Press Stopper Drain Assembly JN-6103 Manufacturer

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China Tray Plug Bar Sink Strainer with tailpiece JN-1203-T Factories, Factory

China Tray Plug Bar Sink Strainer with tailpiece JN-1203-T Factory

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Wholesale Brass Pop-up Assembly JN-5014-NOF-L Manufacturer, Factory

Wholesale Brass Pop-up Assembly JN-5014-NOF-L Manufacturer

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China Deep Cup Strainer Ball-bearing Basket with tailpiece JN-1006-T Manufacturer, Manufacturers

China Deep Cup Strainer Ball-bearing Basket JN-1006-T

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China Sink Protectors and Bottom Grid, Kitchen Sink Rack with Rear Drain Hole JN-9888-7 Factories, Factory

China Sink Protectors & Bottom Grid Rear Drain Hole JN-9888-7

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Wholesale Dielectric Nipple JN-3012 Supplier, Factories

Wholesale Dielectric Nipple JN-3012 Supplier, Factories

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Wholesale Offset Lavatory Drain JN-5001 Manufacturers, Factories

Wholesale Offset Lavatory Drain JN-5001 Manufacturers

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Macro Industry Analysis

Global Commercial Plumbing & Stainless Steel Strainer Ecosystem

Navigating raw material volatility, international regulatory shifts, and supply chain diversification for modern fluid management infrastructure.

In the global industrial and residential sanitary landscape, the humble sink strainer has evolved from a simple mechanical trap into a highly engineered fluid management component. As global procurement managers, master distributors, and commercial building specifiers evaluate their supply chains, sourcing high-grade China Stainless Steel Basket Strainer Assemblies has become a cornerstone strategic objective. China's sanitary manufacturing sector, centered in precision manufacturing hubs like Yuhuan, Zhejiang, accounts for over 65% of global commercial drain hardware production.

However, contemporary geopolitical shifts, trade tariffs, and post-pandemic supply chain vulnerabilities have transformed global procurement priorities. Leading importers no longer evaluate suppliers solely on unit price; rather, they demand manufacturing resilience, metallurgical transparency, multi-regional operational footprints, and strict international standard certifications (UPC, cUPC, NSF/ANSI 61, ISO 9001).

1998
Founded in Yuhuan, China
28,400 m²
Combined Dual-Base Footprint
100%
UPC / cUPC Code Compliance
2 Production Bases
China HQ & Thailand Factory

Strategic Dual-Sourcing Solution: To mitigate international trade tariffs and ensure continuous order execution, JANA Plumbing / Gateway Enterprise operates dual production centers. Our primary manufacturing headquarters in Yuhuan, Zhejiang (est. 1998) is complemented by our modern 14,400 m² automated facility in Kabinburi Industrial Zone, Prachinburi, Thailand (operational Dec 2023). This provides global buyers complete flexibility and tariff-mitigated importing pathways without sacrificing engineering standards.

Technical Architecture

Metallurgical Standards & Fluid Engineering Precision

Deep-dive technical evaluation of stainless steel alloys, deep-drawing deep-cup geometry, seal mechanics, and electro-polishing anti-corrosion science.

Austenitic Alloy Grade Selection (AISI 304 vs 316)

The durability of a kitchen sink basket strainer depends entirely on the metallurgical composition of its stainless steel shell. JANA utilizes certified AISI 304 (18/8 Chromium-Nickel) and premium AISI 316 (containing 2-3% Molybdenum). Standard 304 grade provides outstanding resistance against organic food acids, detergents, and daily thermal shocks. For heavy commercial kitchens, coastal environments, or marine applications, AISI 316 provides superior protection against pitting and crevice corrosion caused by high chloride ions and harsh sanitation chemicals.

Deep-Drawing Hydraulic Forming & Wall Uniformity

Cheap market alternatives often suffer from micro-fractures and structural thinning along the bottom curve due to aggressive single-stage stamping. JANA employs multi-stage progressive deep-drawing hydraulic presses. This technique ensures uniform wall thickness across the entire cup depth (0.8mm to 1.2mm nominal gauge), maintaining structural integrity against mechanical impacts, heavy pot drops, and high-pressure hot water flushes.

Optimized Fluid Dynamics & Perforation Geometry

Hydraulic resistance in drainage hardware leads to standing water and grease buildup. Our basket designs incorporate precision-punched micro-perforations optimized for maximum flow velocity while retaining food particles larger than 2.0mm. The hydro-dynamically balanced perforation pattern maximizes total open surface area, meeting and exceeding ASME A112.18.2 drain discharge rates (minimum 15 GPM under standardized head pressure).

Technical Material & Specification Comparison Matrix

Performance Parameter Commercial Grade (AISI 304) Marine / Heavy Commercial (AISI 316) Economy Competitor (201 / 430 SS)
Chemical Composition 18% Cr / 8% Ni 16% Cr / 10% Ni / 2.5% Mo 14-16% Cr / 1% Ni (High Mn)
Corrosion Resistance (ASTM B117 Salt Spray) 200+ Hours neutral salt spray 500+ Hours neutral salt spray Fails under 48 Hours (Red Rust)
Acid & Chloride Tolerance Excellent against organic food acids Superior against bleach, salt & harsh chemicals Poor; prone to rapid pitting corrosion
Tensile Strength (MPa) ≥ 515 MPa ≥ 580 MPa ≈ 380 - 450 MPa
Code Compliance UPC, cUPC, NSF/ANSI 61, CSA B125.2 UPC, cUPC, NSF/ANSI 61, ASME A112.18.2 Non-certified; non-compliant with US plumbing code
Localized Applications

Engineering Deployment Across Global Sectors

Tailored basket strainer engineering optimized for diverse commercial, residential, marine, and mobile plumbing environments.

Commercial Kitchens & Food Service Infrastructure

High-volume restaurants, hotel kitchens, and food processing facilities generate severe grease loadings and high solid debris mass. JANA's deep-cup ball-bearing strainer systems (such as the JN-1006-T series) utilize heavy-duty solid brass locknuts and reinforced stainless steel mesh cups. The positive ball-bearing stopper mechanism ensures a watertight seal during sink filling and smooth quick-drain release during prep washes.

RV, Marine & Off-Grid Mobile Habitats

Recreational vehicle (RV) sinks and marine vessel galleys require compact depth profiles, vibration resistance, and reduced weight without sacrificing durability. Our specialized tray plug bar strainers (e.g., JN-1203-T) engineered with stainless steel bodies and compact brass tailpieces deliver space-saving under-sink footprints while resisting constant motion and hull vibration.

Luxury Residential & Architectural OEM Customization

Modern high-end kitchen sink manufacturing demands precise color matching and decorative surface finishing. Beyond traditional electroplated polished chrome, JANA offers physical vapor deposition (PVD) finishes including Matte Black, Brushed Gold, Rose Gold, and Oil Rubbed Bronze. These coatings undergo 24-hour CASS testing to prevent peeling, discoloration, or chemical degradation from household cleaning agents.

Manufacturing Precision

End-to-End Vertical Manufacturing & Quality Control

From raw copper/steel ingots to final boxed retail product, every manufacturing phase is controlled under one continuous ISO 9001 certified workflow.

1. Spectrometric Raw Material Verification

Every incoming batch of stainless steel coil and brass rod undergoes optical emission spectrometry (OES) analysis to verify exact elemental composition (ensuring lead content remains well under the California AB1953 threshold of 0.25%).

2. Multi-Stage Automated Stamping

Progressive automated stamping dies cut, cup, notch, and perforate basket components with microscopic repeatability tolerances (+/- 0.02mm), ensuring perfect concentric seating against sink flanges.

3. Robotic Polishing & Surface Treatment

Automated 6-axis robotic arms polish strainers to mirror finishes prior to plating. Electro-polishing baths passivate stainless steel surfaces, creating a protective chromium oxide skin.

4. 100% Hydrostatic Leak Testing

Every stopper assembly and drain body is air-water pressure tested to verify zero leakage across rubber gaskets, thread joints, and stopper seal interfaces.

Global Regulatory Compliance

Certified for International Plumbing Codes (UPC / cUPC)

Meeting North American, Canadian, and European legal building standards with complete documentation and audit-ready factory verification.

Distributing plumbing fixtures into Tier-1 retail channels (such as Home Depot, Lowe's, Ferguson, or specialized wholesale networks) requires uncompromised legal compliance. Installing non-listed drain hardware can result in catastrophic site leaks, severe regulatory fines, and immediate retail store recalls.

cUPC & UPC Certification (IAPMO)

JANA products hold active UPC and cUPC listings issued by IAPMO R&T. Our strainers and lavatory drains meet all mechanical performance standards outlined in ASME A112.18.2 / CSA B125.2 (Plumbing Waste Fittings), including thread engagement depth, tensile joint load resistance, and corrosion endurance.

AB1953 Lead-Free & NSF 61 Compliance

In accordance with California AB1953 and the US Safe Drinking Water Act (SDWA), all brass components utilized in our strainers and tailpieces utilize certified lead-free brass alloys (leachate levels under 0.25% weighted average), ensuring complete water safety.

Thailand Dual-Production Security

Our Gateway Enterprise plant in Kabinburi, Thailand operates under identical ISO 9001 quality systems as our Zhejiang headquarters. Importers can pivot production between bases to bypass country-of-origin tariff surcharges while maintaining unified SKU drawings and quality specs.

Innovation Horizon

Technology Roadmap & Sustainable Manufacturing (2025-2030)

Pioneering eco-friendly surface passivation, smart anti-clogging geometries, and zero-waste stainless steel recycling.

1. Antimicrobial Surface passivations

Development of nano-silver and copper-ion infused physical coatings applied directly to stainless steel basket surfaces. This technology inhibits bacterial bio-film matrix formation (E. coli and Salmonella) inside kitchen drain cups by up to 99.4% without chemical leaching.

2. Zero-Water-Discharge Electro-Polishing

Transitioning all surface finishing operations to closed-loop chemical reclamation systems. Waste water generated during stainless steel pickling and polishing is 100% distilled, purified, and recirculated, eliminating heavy metal environmental discharge.

3. Circular Stainless Steel Material Economy

Integrating 85%+ post-industrial recycled stainless steel scrap into our raw melt processes without sacrificing ASTM tensile or corrosion resistance standards, drastically reducing embodied carbon footprints for green building projects (LEED certified).

Secondary Product Lineup (Part II)

Expanded Plumbing Accessories & Specialty Drain Hardware

Specialized replacement parts, tank levers, pop-up assemblies, and structural floor grids for global B2B procurement.

China Sink Strainer with tailpiece JN-1009-T Supplier, Factories

China Sink Strainer with tailpiece JN-1009-T Supplier

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Wholesale Side Mount Tank Lever JN-2010 Manufacturer, Factories

Wholesale Side Mount Tank Lever JN-2010 Manufacturer

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Wholesale Pull Out Drain Assembly JN-5010 Manufacturer, Factories

Wholesale Pull Out Drain Assembly JN-5010 Manufacturer

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China Tip-Toe Drain Assembly JN-6102 Manufacturer, Manufacturers

China Tip-Toe Drain Assembly JN-6102 Manufacturer

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Wholesale Replacement Disposer Stopper JN-1114 Manufacturers, Supplier

Wholesale Replacement Disposer Stopper JN-1114 Supplier

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China 4-1/2" OD Snap-in Strainer Grid JN-6324 Suppliers, Factories

China 4-1/2" OD Snap-in Strainer Grid JN-6324 Suppliers

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Wholesale Economy Plastic Strainer JN-1008-5-W Manufacturers, Factory

Wholesale Economy Plastic Strainer JN-1008-5-W Manufacturer

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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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Procurement FAQ

Frequently Asked Technical & Sourcing Questions

Expert insights for plumbing engineers, quality auditors, and global B2B procurement directors.

What technical differences separate AISI 304 and 316 stainless steel basket strainers?
AISI 304 contains 18% Chromium and 8% Nickel, offering exceptional resistance against standard household organic acids, detergents, and physical impacts. AISI 316 incorporates an additional 2-3% Molybdenum, which dramatically enhances resistance against pitting corrosion caused by chlorides, salts, and harsh commercial sanitizing agents (such as concentrated bleach). For coastal installations, marine galleys, or industrial food prep, AISI 316 is strongly recommended.
How does JANA Plumbing's dual-origin (China & Thailand) manufacturing benefit global buyers?
Our original headquarters in Yuhuan, Zhejiang handles large-scale raw material processing, engineering tooling, and heavy manufacturing. Our 14,400 m² automated facility in Kabinburi, Thailand (established Dec 2023) provides a verified second production origin. This allows North American and European importers to optimize customs tariff structures, eliminate single-country supply disruption risks, and maintain identical UPC/cUPC product specifications across both manufacturing bases.
Which specific plumbing code certifications apply to your sink strainers and drains?
JANA Plumbing products carry official UPC and cUPC certifications issued by IAPMO R&T, complying fully with ASME A112.18.2 / CSA B125.2 standards. Additionally, our brass components comply with California AB1953 lead-free requirements and NSF/ANSI 61 drinking water contact safety limits. Complete listing numbers and audit reports are available upon request.
Can JANA produce OEM custom finish strainers to match designer faucet collections?
Yes. We specialize in custom OEM and private-label manufacturing. In addition to standard polished chrome and electro-polished stainless steel, our in-house surface treatment department produces PVD Matte Black, Brushed Brass, Rose Gold, Gunmetal, and Oil Rubbed Bronze finishes. All custom finishes undergo rigorous 24-hour CASS salt spray testing and cross-hatch adhesion checks.
What is the standard thread sizing and tailpiece connection for North American sinks?
Our standard kitchen sink basket strainers feature 3-1/2 inch NPSM (National Pipe Straight Mechanical) body threads designed to fit standard 3.5" to 4" sink drain openings. Tailpiece connections are available in standard 1-1/2" direct connection flanged brass or plastic tailpieces, compatible with standard tubular P-traps.
What quality control measures ensure zero leak performance under thermal shock?
We utilize high-grade NBR, EPDM, and virgin PVC sealing washers engineered to withstand continuous water temperatures up to 90°C (194°F) without hardening or cracking. Every batch undergoes thermal cycling tests (alternating boiling water and ice baths) under hydrostatic pressure to guarantee long-term gasket seal memory and zero joint leakage.
What are the Minimum Order Quantities (MOQ) and production lead times for bulk orders?
Standard production MOQ ranges between 500 to 1,000 units per SKU depending on material grade and packaging customization. Lead times for standard catalog items typically range from 25 to 35 days from receipt of deposit, with expedited container loading available from both Ningbo/Shanghai ports (China) and Laem Chabang port (Thailand).