Industry Whitepaper & Technical Sourcing Guide

China Stainless Steel Kitchen Sink Drain Manufacturers & Suppliers

An authoritative analysis of precision engineering, metallurgical compliance, Industry 4.0 automation, and global supply chain resilience in commercial and residential plumbing hardware.

Precision Component Catalog

Featured Stainless Steel & Brass Drain Assemblies

High-grade kitchen sink strainers, deep cup baskets, and specialized fittings manufactured under ISO 9001 and UPC/cUPC standards.

Wholesale Deep Cup Sink Strainer With Rolling Thread JN-1016

Wholesale Deep Cup Sink Strainer With Rolling Thread JN-1016

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China Replacement Strainer Basket JN-1115

China Replacement Strainer Basket JN-1115 Manufacturers, Factory

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China Kitchen Sink Bottom Grid, Antique Brown JN-9888-6-ABP

China Kitchen Sink Bottom Grid, Antique Brown JN-9888-6-ABP

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Wholesale 4 OD Strainer Grid JN-6325

Wholesale 4" OD Strainer Grid JN-6325 Manufacturers, Supplier

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China Grid Strainer JN-5004-2

China Grid Strainer JN-5004-2 Manufacturer, Manufacturers

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China Adapter Bushing JN-3011

China Adapter Bushing JN-3011 Manufacturer, Factory

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

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

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China Economy Strainer with tailpiece JN-1007-T

China Economy Strainer with tailpiece JN-1007-T Manufacturer, Factory

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1998
Established Year
28,400m²
Global Plant Footprint
200+
Skilled Technicians
100%
UPC/cUPC Compliant

Executive Whitepaper: The Evolution of Kitchen Sink Strainer Manufacturing in China

In modern residential architecture and commercial food service infrastructure, the kitchen sink drain assembly serves as a critical pressure boundary and waste management interface. Historically viewed as minor hardware, contemporary engineering standards demand that stainless steel kitchen sink drains demonstrate superior hydrodynamic efficiency, chemical resistance against acidic organic waste, absolute mechanical seal integrity, and longevity under continuous thermal cycling.

As premier China stainless steel kitchen sink drain manufacturers & suppliers, JANA Plumbing (and its global expansion platform Gateway Enterprise Corporation Thailand Co., Ltd.) has spearheaded technical advancement in this specialized hardware niche since 1998. Operating from our primary industrial base in Yuhuan, Zhejiang—complemented by our state-of-the-art 14,400 square meter automated facility in the Kabinburi Industrial Zone, Thailand—we engineer solid brass and austenitic stainless steel drain systems designed explicitly to satisfy North American ASME A112.18.2 / CSA B125.2 plumbing codes.

Core Industry Insight: Procurement directors must look beyond surface aesthetics. The true reliability of a kitchen drain assembly hinges on deep-drawing strain ratio control, precision thread pitch consistency, and high-durometer EPDM/NBR seal geometry designed to withstand hydrostatic pressure up to 50 PSI without deflection.

Advanced Manufacturing

China Industry 4.0: Supply Chain Resilience & Manufacturing Synergy

Integrating automated hydraulic press lines, robotic polishing cells, and multi-axis CNC machining centers to achieve zero-defect production.

Automated Deep Drawing

High-tonnage hydraulic presses utilize servo-controlled blank holding pressure to execute deep-draw forming of AISI 304 and 316 stainless steel cups without work hardening cracks or micro-fractures.

CNC Thread Milling

Machine-cut NPSM and NPT threads are executed via multi-axis CNC lathes, maintaining tolerance within ±0.02mm to eliminate cross-threading risks during field installation.

Dual-Origin Resilience

Our operational presence in Zhejiang, China, coupled with our fully operational 14,400 m² factory in Kabinburi, Thailand, provides global buyers with absolute tariff optimization and supply continuity.

Vertical Integration from Raw Brass & Steel Ingot to Finished Retail Box

Unlike secondary assemblers who outsource critical components, JANA Plumbing maintains total in-house control over the entire metallurgical transformation sequence:

  • Raw Material Spectrometry: Direct optical emission spectrometry verification of incoming stainless steel coils and brass billets to ensure strict compliance with UNS C37700 / C36000 and AISI 304 chemical composition limits.
  • Progressive Stamping & Thread Rolling: Utilizing custom dies, models like the JN-1016 Deep Cup Strainer feature precision rolling threads that deliver double the shear strength of standard stamped threads.
  • Automated Electroplating & PVD Finishing: Continuous line finishing capabilities delivering Brushed Nickel, Antique Copper (such as the JN-9888-6-ABP Grid), Matte Black, and Physical Vapor Deposition (PVD) Titanium coatings.
  • 100% Hydrostatic Leak Testing: Every complete drain body assembly undergoes automated pneumatic pressure decay testing to guarantee zero micro-porosity leak risks.
Engineering Vision

Technology Roadmap & Future Outlook (2025–2030)

Anticipating regulatory shifts, material science breakthroughs, and eco-efficient hydraulic designs in global kitchen hardware.

Hydrophobic Nanocomposite Surfaces

Integrating chemical vapor deposition (CVD) oleophobic and hydrophobic nanofilms onto standard stainless steel basket strainers. This surface technology prevents grease adhesion, eliminates food particle residue accumulation, and reduces household detergent usage by over 40%.

Zero-Stagnation Deep Cup Hydrodynamics

Future iterations of models like the JN-1006-T ball-bearing basket series incorporate computational fluid dynamics (CFD) optimized vortex discharge channels. This reduces internal turbulence, accelerating water drainage velocity while maintaining maximum particulate capture capacity.

Comparative Metallurgical Matrix: Material Selection for Sourcing Directors

Selecting the optimal alloy composition dictates both lifetime cost and field compliance success. The table below outlines key technical parameters across our primary manufacturing material offerings:

Specification Parameter Austenitic AISI 304 Stainless Steel Premium AISI 316 Stainless Steel C37700 Lead-Free Solid Brass
Chemical Composition 18% Cr / 8% Ni 16% Cr / 10% Ni / 2% Mo Cu 57-61%, Pb < 0.25%, Zn Remainder
Corrosion Resistance (NSS Test) 200+ Hours Continuous Salt Spray 500+ Hours Continuous Salt Spray 300+ Hours (Plated Chrome/PVD)
Tensile Strength (MPa) 515 MPa 620 MPa 440 MPa
Best Application Scenario Standard Luxury Residential Sinks Heavy Commercial & Coastal Marine Sinks Heavy Duty Decorative & Architectural Plumbing
Regulatory Certification NSF/ANSI 61 & AB1953 Approved NSF/ANSI 61 & AB1953 Approved cUPC Listed, AB1953 Lead-Free Compliant
Application Engineering

Macro Industry Solutions Across Global Sourcing Segments

Custom engineering frameworks tailored for retail big-box chains, commercial food service, and mobile RV manufacturing.

North American Retail Chains

Direct-to-shelf packaging solutions including barcoded clamshell, bilingual UPC color box packaging, and pre-assembled contractor pack configurations designed for immediate point-of-sale deployment.

Commercial Foodservice & Institutional

Deep cup strainers (such as JN-1016 and JN-1006-T) featuring ball-bearing sealed baskets and oversized scrap capacity engineered for high-volume commercial kitchens and restaurant sculleries.

RV & Modular Mobile Housing

Compact, vibration-resistant lightweight stainless steel strainers and adapter bushings (JN-3011) optimized for tight plumbing envelopes in recreational vehicles and prefabricated modular structures.

Compliance & Authorization

Localization Support & Global Regulatory Compliance Guarantee

Rigorous international code alignment ensuring seamless custom clearance, code inspection approval, and brand protection.

UPC / cUPC & IAPMO Certifications

JANA Plumbing maintains valid product listings (including Certificate Nos. 6229, 8175, 12307, N-11587, T-11586) registered directly with IAPMO R&T. All items strictly comply with ASME A112.18.2 / CSA B125.2, providing inspectors and master plumbers with complete installation confidence.

AB1953 & NSF/ANSI 61 Lead-Free Standard

Our lead-free brass formulations contain less than 0.25% weighted average lead content across all wetted surfaces, exceeding California Health and Safety Code requirements and ensuring 100% compliance across all 50 US states and Canadian provinces.

Procurement Intelligence

Global Enterprise Procurement & Supply Chain Decision Matrix

Streamlining OEM/ODM sourcing parameters for enterprise purchasing officers and brand managers.

When evaluating potential partners among China stainless steel kitchen sink drain manufacturers & suppliers, procurement management must conduct rigorous auditing across operational capacity, quality assurance protocols, and logistics flexibility. JANA Plumbing provides clear procurement frameworks:

Procurement Dimension Standard OEM Specification Custom ODM / Private Label Solution JANA Factory Guarantee
Minimum Order Quantity (MOQ) 1,000 Units / SKU 3,000 Units (Custom Tooling) Flexible Mix-Container Loading
Sample Lead Time 3 to 5 Business Days 15 to 25 Days (3D Prototype + Mold) Expedited Express Delivery
Production Lead Time 30 Days (First Order) 35-40 Days (Custom Box/Branding) 20-Day Rolling Forecast Replenishment
Quality Assurance Standard AQL 1.5 Major / 4.0 Minor AQL 0.65 Level II Critical Zero Defect 100% Pre-Shipment Inspection Report
Shipping Ports Ningbo / Shanghai, China Laem Chabang, Thailand Dual-Port Export Flexibility
Product Line Expansion

Complete Kitchen, Bath & Replacement Hardware Portfolio

Explore our extended catalog featuring replacement baskets, pop-up assemblies, closet flanges, and bath waste conversion kits.

China Replacement Strainer Basket JN-1113

China Replacement Strainer Basket JN-1113 Suppliers, Factories

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China Brass Pop-up Assembly JN-5014

China Brass Pop-up Assembly JN-5014 Manufacturer, Manufacturers

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China Metal Adjustable Closet Flange JN-1601

China Metal Adjustable Closet Flange JN-1601 Manufacturer, Manufacturers

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China 4-1/4 OD Snap-in Strainer Grid JN-6328

China 4-1/4" OD Snap-in Strainer Grid JN-6328 Manufacturer, Suppliers

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China Lift & Turn Bath Waste Conversion Kits JN-6110

China Lift & Turn Bath Waste Conversion Kits JN-6110 Supplier, Factory

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China Replacement Strainer Basket JN-1108

China Replacement Strainer Basket JN-1108 Supplier, Suppliers

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China No-Caulk Shower Drain JN-6301

China No-Caulk Shower Drain JN-6301 Supplier, Suppliers

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Wholesale Side Mount Tank Lever JN-2004

Wholesale Side Mount Tank Lever JN-2004 Suppliers, Factories

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Knowledge Base

Frequently Asked Questions & Sourcing Technical Guidance

Expert responses from our lead plumbing engineers regarding material specifications, compliance, and custom production capabilities.

What specific products does JANA Plumbing manufacture in its China and Thailand facilities?
JANA Plumbing manufactures a complete portfolio of professional-grade sanitary hardware. Our key lines include solid brass and stainless steel kitchen sink strainers, bar sink strainers, disposer flange & stopper sets, lavatory pop-up drains, bath drains, shower drains (including no-caulk units such as JN-6301), replacement sink and bath components, closet flanges, tank levers, bottom grids (such as JN-9888-6-ABP), shower arms, hoses, and custom brass pipe fittings.
Which regulatory certifications and code standards do JANA Plumbing products hold?
Our comprehensive certification suite includes official UPC and cUPC listings certified by IAPMO R&T, ISO 9001 quality management system certification, AB1953 California lead-free compliance, and BRC global standard audits. All products are precision engineered to satisfy technical parameters established by ASME (ASME A112.18.2), CSA (CSA B125.2), and NSF/ANSI 61. Specific IAPMO listing numbers (e.g., Certificate Nos. 6229, 8175, 12307, N-11587, T-11586) can be provided upon request prior to order placement.
What strategic advantages does JANA Plumbing's dual-factory strategy offer global buyers?
Established in 1998 in Yuhuan, Zhejiang, our headquarters provides deep supply chain infrastructure and advanced tooling engineering. In December 2023, our 14,400 square meter facility in Kabinburi Industrial Zone, Thailand became fully operational. This dual-origin strategy allows international importers to diversify geopolitical tariff risks, optimize customs duties, and guarantee continuous supply chain redundancy without compromising on unified engineering drawings, quality tolerances, or finishing standards.
How does JANA handle OEM, private labeling, and custom engineering projects?
We offer total turnkey OEM/ODM services. Because we maintain complete in-house control over hydraulic deep-drawing, stamping, CNC precision threading, polishing, electroplating/PVD, and retail packaging, we can quickly adapt dimensions, thread standards (NPSM/NPT/G), surface finishes (Chrome, Stainless Brushed, Matte Black, PVD), and packaging branding based on customer CAD drawings or physical reference samples.
What are the primary target markets and wholesale distribution channels served?
Our products primarily supply professional building supply distributors, major retail home improvement chains, private-label plumbing brands, commercial food service equipment manufacturers, and recreational vehicle (RV) original equipment manufacturers across North America, Europe, and Asia-Pacific.