Wholesale Sink Strainer China Manufacturers & Supplier

Architectural-Grade Brass & Stainless Steel Drainage Assemblies | OEM/ODM Manufacturing for Global Plumbing Importers, Retailers, and Commercial Enterprises

UPC & cUPC Certified AB1953 Lead-Free Compliant Dual Production Origin (China & Thailand)
Featured Assemblies Part I

Precision-Engineered Sink Strainers & Drains

Explore our flagship heavy-duty sink strainers, shower drains, and waste fittings engineered for high-volume commercial distribution and OEM specifications.

China Grid Strainer JN-5004-3-BN

China Grid Strainer JN-5004-3-BN

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China Deep Cup Strainer Snap-in Basket JN-1004-T

China Deep Cup Strainer Snap–in Basket JN-1004-T

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Wholesale No-Caulk Shower Drain JN-6302

Wholesale No-Caulk Shower Drain JN-6302

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Wholesale Stainless Steel Basket Strainer JN-1015-BN

Wholesale Stainless Steel Basket Strainer JN-1015-BN

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China Quick-connect Sink Strainer JN-1011-1-T

China Quick-connect Sink Strainer JN-1011-1-T

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China Lift -N- Lock Bath Waste JN-6001

China Lift -N- Lock Bath Waste JN-6001

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Wholesale Heavy Duty Brass Sink Strainer JN-1001-1-T

Wholesale Heavy Duty Brass Sink Strainer JN-1001-1-T

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Wholesale Trip Lever Drain Assembly JN-6108

Wholesale Trip Lever Drain Assembly JN-6108

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Industry Whitepaper Analysis

Macro Market Landscape: China’s Sanitary Ware Ecosystem

Navigating supply chain transformation, dual-origin risk mitigation, and high-performance fluid handling requirements across global commercial real estate and residential sectors.

Industrial Agglomeration in Zhejiang

The Yuhuan cluster in Zhejiang Province represents the epicenter of solid brass processing and hydraulic sanitary manufacturing. Leveraging decades of metallurgical specialization, local manufacturers offer unmatched economies of scale, integrated tool & die forging, automated surface treatment, and precision thread machining to meet stringent global standards.

Dual-Origin Sourcing Strategy

To hedge against geopolitical friction, section 301 tariffs, and regional supply shocks, tier-one China manufacturers have established state-of-the-art overseas manufacturing hubs. Operating dedicated plants in both Yuhuan, China and Kabinburi, Thailand guarantees uninterrupted procurement continuity, tariff optimization, and global delivery resilience for enterprise distributors.

Commercial Demand Drivers

Modern commercial infrastructure demands elevated hydraulic throughput, zero-leak integrity, and extreme chemical resistance. From heavy-use restaurant kitchens requiring deep-cup grease catchers to luxury multi-family developments requiring PVD decorative finishes, high-spec sink strainers serve as a critical defense line against system downtime and property damage.

Technical Specifications

Metallurgical Engineering & Hydraulic Precision

A granular examination of raw material formulations, thread geometry, sealing polymers, and multi-layer surface protection protocols engineered for multi-decade service life.

Performance Metric Solid Forged Brass (CW617N / C37700) Austenitic Stainless Steel (AISI 304/316) Engineered Polypropylene (PP/ABS)
Tensile Strength (MPa) 380 – 440 MPa 515 – 620 MPa 30 – 45 MPa
Corrosion Resistance Excellent (Dezincification Resistant) Superior (Passivated Acid-Resistant) Total Chemical Inertness
Thermal Expansion Coeff. 20.0 µm/m·K 16.0 µm/m·K 80.0 µm/m·K
Primary Application Heavy-Duty Commercial / High-End Residential Commercial Kitchens & Hygiene Facilities Budget Residential & RV Applications
Code Compliance UPC, cUPC, AB1953, NSF/ANSI 372 UPC, cUPC, NSF/ANSI 61 cUPC, IAPMO Listed

Hydrodynamic Basket Mechanics

Engineered with computer-optimized drainage aperture geometry, our basket strainers achieve maximum liquid velocity while trapping food particulate down to 2.5mm. Precision stamping ensures zero burrs, preventing fiber snare and maintenance clogs in commercial kitchens.

Elastomeric Sealing Innovation

Moving beyond standard rubber gaskets, high-spec assemblies utilize thermo-cured EPDM and virgin silicone ring seals. These polymers exhibit zero compression set, high ozone resistance, and thermal tolerance from -40°C to +120°C, eliminating micro-seepage under thermal shock.

Advanced PVD & Electroplating

Surface finishes undergo multi-stage electrodeposition including copper strike, duplex nickel, and micro-porous chromium plating—or Physical Vapor Deposition (PVD) for specialty finishes like Brushed Brass, Oil Rubbed Bronze, and Matte Black. Tested against 96+ hours Neutral Salt Spray (NSS).

E-E-A-T Compliance Framework

Regulatory Standards & Certification Audit

Verification of quality management systems and international plumbing codes required for hassle-free customs clearance and North American retail distribution.

IAPMO R&T (UPC & cUPC)

Products are rigorously tested under ASME A112.18.2 / CSA B125.2 waste fitting standards. Continuous factory surveillance and quarterly mechanical stress testing ensure full compliance with US and Canadian uniform plumbing codes.

California AB1953 Lead-Free

Wetted brass components undergo spectrographic analysis to guarantee lead content remains below 0.25% weighted average. Fully certified under NSF/ANSI 372 for safe potable water contact and eco-conscious plumbing systems.

ISO 9001 & BRC Audits

Our manufacturing workflow follows structured Quality Assurance protocols. From raw billet spectral analysis to 100% pneumatic pressure testing at 0.6 MPa, every batch maintains complete lot traceability.

Application Scenarios

Tailored Solutions for Global Infrastructure

Engineered solutions optimized for modern architectural requirements, regional plumbing standards, and specialized building projects.

Commercial Kitchens & Food Service

Heavy-duty deep cup strainers (such as JN-1004-T) feature large capacity snap-in baskets that catch high volumes of organic debris without restricting effluent flow. Built with heavy-walled brass locknuts to withstand aggressive daily sanitizing chemicals.

High-Density Multi-Family Housing

Quick-connect strainer assemblies drastically reduce contractor labor costs during mass construction. Precision NPSM threading enables hand-tight sealing with minimal plumber's putty, preventing overtightening stress cracks in ceramic or stainless sinks.

Recreational Vehicles & Modular Homes

Compact profile strainers and lightweight non-caulk shower drains (JN-6302) provide leak-free performance in high-vibration mobile environments. Designed to fit standard RV P-traps and thin-gauge composite sinks effortlessly.

Luxury Hospitality & Custom Baths

Decorative grid strainers (JN-5004-3-BN) and matching bath waste systems pair seamless flow rates with PVD color harmony. Designed to coordinate perfectly with high-end designer faucets across Brushed Nickel, Matte Black, and Rose Gold.

Manufacturing Innovation

Technology Roadmap (2025–2030)

Pioneering the next era of smart manufacturing, automated quality verification, and sustainable production processes.

01

Robotic CNC Cells

Transitioning to multi-axis automated robotic machining centers that maintain thread tolerances within ±0.01mm for 100% thread engagement accuracy.

02

AI Vision Inspection

Deploying automated optical inspection (AOI) systems on surface finishing lines to instantly detect micro-scratches, pinholes, and electroplating voids before packing.

03

Zero-Liquid Discharge

Implementing closed-loop water treatment and recycling technology in our plating facilities to eliminate environmental impact and align with global ESG standards.

04

Smart Sensor Integration

Developing next-gen commercial drain strainers with embedded flow rate sensors and grease accumulation alerts for smart building facility management.

Procurement FAQ

Frequently Asked Questions

Get instant clarity on technical specifications, lead times, custom OEM capabilities, and compliance standards.

1. What material grades are used in JANA solid brass sink strainers?
We utilize high-purity CW617N brass for European standards and C37700 lead-free brass for North American markets. Every batch undergoes spectral analysis to ensure copper content remains between 57-60% with zero heavy metal contamination, ensuring structural integrity and compliance with AB1953 lead-free laws.
2. How does operating dual production bases in China and Thailand benefit buyers?
Our original headquarters in Yuhuan, China handles comprehensive tooling, hydraulic forming, and high-volume machining. Our 14,400 m² facility in Kabinburi, Thailand offers an alternative point of origin that eliminates Section 301 anti-dumping tariffs for US importers while providing complete supply chain redundancy.
3. Can JANA support custom OEM/ODM packaging and branding?
Yes. We offer complete OEM services including laser logo etching, customized blister retail cards, barcoded master cartons, and custom surface finishes. Our engineering team can work directly from your 3D CAD files (STEP/IGES) or physical samples to create turnkey private-label solutions.
4. What are the standard lead times for bulk wholesale orders?
Standard production lead time is 30 to 45 days following sample approval and deposit confirmation. For recurring catalog items with established blanket POs, we maintain safety stock buffers to allow accelerated shipping within 15 days.
5. Which certifications can be provided with shipment documents?
Upon shipment, we provide full Certificate of Analysis (CoA) material test reports, pressure test certificates, ISO 9001 compliance logs, and verified IAPMO UPC/cUPC listing numbers corresponding to your exact purchase order SKUs.
Featured Assemblies Part II

Extended Product Catalog & Components

Browse additional high-demand replacement components, bath wastes, levers, and specialized strainers designed for global plumbing distributors.

China EZ Lock Basket Strainer JN-1011-2

China EZ Lock Basket Strainer JN-1011-2

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Wholesale Side Mount Tank Lever JN-2005

Wholesale Side Mount Tank Lever JN-2005

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Wholesale Heavy Duty Brass Sink Strainer JN-1001-2-T

Wholesale Heavy Duty Brass Sink Strainer JN-1001-2-T

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Wholesale 19 Hole Overflow Plate JN-6114

Wholesale 19 Hole Overflow Plate JN-6114

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Wholesale Side Mount Tank Lever JN-2002

Wholesale Side Mount Tank Lever JN-2002

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China Plastic Shower Drain JN-6304

China Plastic Shower Drain JN-6304

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Wholesale Pull Out Drain Assembly JN-5010

Wholesale Pull Out Drain Assembly JN-5010

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China 2 Hole Overflow Plate JN-6105

China 2 Hole Overflow Plate JN-6105

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