What products does JANA Plumbing manufacture?

JANA Plumbing manufactures solid brass and stainless steel sink strainers, bar sink strainers, disposer flange and stopper sets, lavatory drains, bath drains, shower drains, replacement sink, bath and shower drain parts, closet flanges, tank levers, shower arms and flanges, bottom grids, hoses, pipe fittings and decorative finishes.

Which certifications do JANA Plumbing products hold?

Our certificate portfolio includes UPC and cUPC listings, IAPMO and IAPMO R&T certificates, ISO 9001 quality management, AB1953 lead-free compliance and BRC, and our products are built to standards developed by ASME, NSF and CSA. Buyers can request the exact listing numbers that apply to each SKU before ordering.

Why does JANA Plumbing operate factories in both China and Thailand?

Our Yuhuan, Zhejiang headquarters has manufactured brass sanitary ware since 1998. In December 2023 our Thailand plant in Kabinburi Industrial Zone, Prachinburi became operational on 14,400 square meters with a focus on automated equipment, giving importers a second production origin to diversify supply-chain risk.

Can JANA Plumbing produce OEM or private-label drains?

Yes. With in-house hydraulic forming, stamping, machining, polishing and packing, we can adapt specifications, finishes and packaging to customer requirements based on drawings or samples.

Which markets does JANA Plumbing serve?

Our products are supplied to professional building retail, wholesale and RV markets, with a long-standing focus on North America.

China Tub Drains Manufacturers & Supplier

Precision Engineering Portfolio

High-Performance Tub & Sink Drainage Assemblies

Engineered to withstand rigorous commercial and residential cycles with zero-leak tolerances.

Wholesale Deep Cup Strainer–Stick Post Basket JN-1014 Suppliers, Factory

Wholesale Quick-connect Sink Strainer JN-1012 Manufacturers, Suppliers

China RGH BR VAC BREAKER HOSE END JN-3020 Factories, Factory

Wholesale Flower Grid Strainer JN-5011 Supplier, Suppliers

Wholesale Dielectric Union JN-3017 Suppliers, Factories

China Toe Touch Conversion Kit-1 Hole JN-6111 Manufacturer, Supplier

Wholesale Tip Toe Bath Waste JN-6002 Supplier, Suppliers

Wholesale Replacement Strainer Basket JN-1112 Manufacturer, Manufacturers

1998

Established in Yuhuan, China

28,400^m²

Dual-Plant Operational Area

200⁺

Engineers & Manufacturing Staff

100^%

North American Code Compliance

Industry White Paper & Market Insights

Evolutionary Trends in Global Bathtub Drainage Systems

Strategic shift toward lead-free metallurgy, high-velocity hydraulic clearing, and rapid retrofit mechanics.

Metallurgical Integrity & Dezincification Resistance (DZR)

Standard yellow brass alloy has been rapidly phased out across commercial and tier-one hospitality sectors due to stress corrosion cracking and dezincification in aggressive water environments. As a premier China tub drain manufacturer, JANA incorporates low-lead and lead-free CW511L and C46500 alloys, ensuring complete compliance with NSF/ANSI/CAN 372 and California AB1953 while maintaining high yield strength.

Advanced Hydraulic Capacity & Self-Clearing Geometries

Modern freestanding soak tubs and deep whirlpool fixtures require discharge capacities exceeding traditional 1.5-inch flow constraints. Computational Fluid Dynamics (CFD) modeling has optimized internal conduit geometry within our Tip-Toe and Lift-n-Lock waste units (such as JN-6001 and JN-6002), reducing hydrodynamic drag, preventing vortex aeration, and minimizing hair snagging without compromising overflow siphon safety.

Universal Retrofit & Modular Conversion Kits

With facility managers and multi-family residential operators facing tight turnover windows, drain assemblies must install without tearing up subfloors. Innovations such as our JN-6111 single-hole conversion kit enable tool-free conversion of legacy lift-and-turn or trip-lever linkages into modern toe-touch mechanisms, cutting installation labor costs by up to 60%.

Strategic Sourcing Framework

Addressing Enterprise Procurement Challenges for Tub Drains

How top-tier plumbing distributors, RV manufacturers, and wholesale builders mitigate tariff and supply friction.

Dual-Origin Geopolitical Resilience

Importers face volatile geopolitical dynamics and anti-dumping tariffs. Operating our flagship Yuhuan, China headquarters alongside our state-of-the-art 14,400 m² automated facility in Kabinburi Industrial Zone, Thailand (operational Dec 2023) allows global brands to optimize landed cost structures while maintaining identical tooling, tolerances, and quality benchmarks.

PVD & Electroplated Finish Durability

Color variance and surface pitting are critical pain points in modern bathroom fixture sourcing. JANA’s fully integrated polishing and electroplating line delivers consistent Matte Black, Brushed Nickel, Satin Brass, and PVD finishes. Tested under continuous ASTM B117 salt spray exposure for 240+ hours, each finish delivers scratch resistance and chemical inertness against harsh commercial detergents.

Precision Threading & Dimensional Consistency

Field failures frequently trace back to thread misalignment on 1-1/2" NPSM rough-in drains. Using high-precision CNC multi-axis tapping machines, JANA guarantees ANSI/ASME B1.20.1 thread precision across 100% of our cast and stamped brass bodies, preventing crossed threads, installation blowouts, and elastomeric gasket degradation.

Documented Quality Assurance

International Regulatory Compliance & Certifications

Certified to North American and global standards for complete audit transparency and consumer safety.

UPC Certified

IAPMO Listed

IAPMO R&T

cUPC (US & CA)

ISO 9001 Quality

ASME A112.18.2 / CSA B125.2 Compliance

Every tub drain assembly, overflow plate, and slip-joint connector undergoes rigorous mechanical loading, thermal shock (cycling between 10°C and 65°C), and backpressure sealing verification, eliminating field leaks in high-rise constructions.

AB1953 & Lead-Free Safe Drinking Water Act

Our foundries maintain strict spectral alloy verification. Finished brass materials contain weighted average lead content under 0.25% across wetted surfaces, backed by annual independent audits under certificate listings No. 6229, 8175, and 12307.

BRC & ISO 9001 Management Systems

From raw ingot spectroscopic analysis to coordinate measuring machine (CMM) inspection, full traceability is maintained at every station: hydraulic forming, progressive die stamping, robotic polishing, and laser-guided packaging.

Future-Ready Engineering

Technical Roadmap & Next-Generation Manufacturing

Pioneering automated drainage manufacturing through IoT-driven quality gates and sustainable production.

Automated Robotic Workcells

Expanding multi-axis manipulator arms for synchronous deburring, polishing, and thread cutting across our Kabinburi and Yuhuan plants to shorten cycle times and eliminate operator fatigue variances.

Zero-Discharge Electroplating

Upgrading our surface-finishing lines with closed-loop vacuum evaporation and ion-exchange recovery systems, slashing heavy-metal effluents to absolute zero while supporting Scope 1 & 2 ESG goals.

Polymer-Brass Hybrid Waste Kits

Developing lightweight, high-temperature PVC/ABS bath waste linkages paired with solid forged brass visual trim, giving wholesale buyers balanced price points and code-approved durability.

RFID Production Tracking

Integrating SKU-level RFID serialization across palletized consignments. B2B enterprise procurement directors enjoy end-to-end milestone visibility from molten brass casting to container seal verification.

Procurement Intelligence & Technical Queries

Frequently Asked Questions for Wholesale Sourcing

Essential guidance on certifications, dual-plant logistics, and customized OEM production.

What plumbing components does JANA manufacture as a direct supplier?

JANA Plumbing manufactures solid brass and stainless steel kitchen sink strainers, bar sink strainers, disposer flange and stopper sets, lavatory pop-up drains, bath drains and waste kits (tip-toe, lift-and-turn, trip-lever), shower drains, closet flanges, toilet tank levers, shower arms with flanges, stainless sink bottom grids, flexible hoses, dielectric unions, dielectric nipples, vacuum breakers, and high-spec decorative plumbing fittings.

Which specific certifications do JANA’s tub and sink drain lines hold?

Our comprehensive portfolio includes UPC and cUPC listings issued by IAPMO R&T, strict conformance with ASME A112.18.2 / CSA B125.2, ISO 9001 certified quality management, AB1953 lead-free compliance, and BRC global supply audits. Specific listing numbers (such as No. 6229, 8175, 12307, N-11587, and T-11586) can be provided upon SKU specification.

How does JANA’s dual-plant layout in China and Thailand benefit global procurement?

Our headquarters in Yuhuan, Zhejiang delivers nearly 30 years of tooling mastery, casting, and vertical integration. Our 14,400 m² automated facility in Kabinburi Industrial Zone, Thailand (operational Dec 2023) provides tariff insulation, country-of-origin diversification, and localized supply-chain risk mitigation for North American and European plumbing brands.

Can JANA produce customized private-label bath wastes with custom finishes?

Yes. With dedicated tooling workshops, in-house hydraulic forming, progressive stamping, CNC machining, and automated polishing, we support custom dimensional engineering and proprietary finishes (e.g., Matte Black, Brushed Gold, Polished Nickel, Oil Rubbed Bronze) along with fully branded retail, blister, and contractor-pack packaging.

What quality gates prevent leaks in commercial tub drain assemblies?

Every assembly is subjected to continuous coordinate measuring machine (CMM) thread checks, high-pressure pneumatic seal immersion tests, and torque shear testing on all mechanical linkage rivets and springs. Gaskets use premium UV- and chemical-resistant silicone/EPDM to guarantee bubble-tight seals throughout decades of service.

Architectural & Utility Product Lines