Model JN-6101
Primary Replacement Components
High-Integrity Bath Waste & Overflow Replacements
Engineered to eliminate chronic drainage failure and groundwater seepage in high-density residential and commercial real estate across Bangladesh.
Model JN-6102
China Tip-Toe Drain Assembly JN-6102 for Bangladesh High-Rise Developments
Model JN-6103
China Snap & Press Stopper Drain Assembly JN-6103 Bangladesh Market Edition
Model JN-6104
Wholesale 1 Hole Overflow Plate JN-6104 Bangladesh Plumbing Standard
Macro-Industrial Outlook
The Commercial Landscape of Bath Drain Hardware in Bangladesh
As Bangladesh undergoes unprecedented urban expansion, high-density residential towers and premium hospitality hubs demand high-precision bath drainage retrofitting.
Severe Water Salinity & Waterlogging Challenges
Bangladesh’s coastal cities, particularly around the Chittagong port belt and Khulna zone, face elevated groundwater salinity levels ranging from 1,000 to over 10,000 ppm TDS. Substandard zinc alloy and low-grade stainless steels suffer severe dezincification and crevice corrosion within months.
- Solid CW617N / C36000 brass composition resistant to dezincification.
- EPDM and fluoro-silicone gaskets rated against chemical scale.
- Extended mechanical integrity prevents under-slab water leaching.
Dhaka Real Estate & Hospitality Refurbishment Boom
Commercial developers in Gulshan, Banani, Uttara, and Purbachal are modernizing legacy bathtubs installed during early 2000s developments. Rather than tearing down full masonry and ceramic tilework, retrofitting with universal conversion drain components cuts overhaul costs by up to 68%.
- Universal conversion adapter threads matching both BSP and NPT systems.
- Rapid non-invasive installation eliminating tile demolition.
- PVD electroplating suited to rigorous industrial cleaners.
Institutional & EPZ Infrastructure Growth
Government initiatives such as the BEPZA Economic Zones and Matarbari deep-water seaport developments have driven substantial FDI into executive housing and state-run accommodations, enforcing stringent durability specifications that standard wholesale markets cannot fulfill.
- Certified batch tracking with material inspection sheets.
- 100% pneumatic leak-testing on all assemblies before shipment.
- Custom branding and laser-etched SKU traceability for EPCs.
China Factory 4.0 Excellence
Automated Production Powerhouse & Supply Chain Agility
Headquartered in Yuhuan, Zhejiang, with dual production lines expanded to Thailand, JANA Plumbing offers Bangladeshi and global EPC contractors unmatched lead times, lead-free raw materials, and precision tolerance.
1998
Engineering Heritage
Nearly three decades of pure brass sanitaryware fabrication.
28,400m²
Consolidated Footprint
Zhejiang facilities coupled with Kabinburi, Thailand plant.
100%
In-House Manufacturing
Hydraulic forming, CNC turning, polishing & electroplating.
0.02mm
Machining Precision
Multi-axis CNC thread-cutting preventing installation cross-threading.
Robotic Cold-Forging & Hydraulic Forming
Our heavy-duty bath drain flanges, stoppers, and overflow bodies are shaped from virgin ingot billets using automated 400-ton hydraulic presses. Unlike cast brass, cold-forged brass yields zero porosity, eradicating micro-fractures during rough-in plumbing installations in concrete floor slabs.
Multi-Spindle Automated CNC Threading
Threads are cut utilizing Japanese-engineered multi-axis CNC stations. This guarantees absolute concentricity, ensuring smooth engagement with 1-1/2" and 1-3/8" bath shoe strainers common across South Asian and Western plumbing formats without risk of binding or leakage.
Automated PVD & Multilayer Plating Lines
To resist harsh water conditioners and localized detergents, our automated electroplating line applies an alkaline copper undercoat, multi-layer semi-bright and bright nickel, and physical vapor deposition (PVD) topcoats that exceed 96 hours of neutral salt spray testing.
Lifecycle Engineering
Technical Roadmap: From Design to Installation in Bangladesh
A transparent quality assurance matrix engineered to de-risk high-volume import workflows for local plumbing distributors and construction conglomerates.
Phase 01: Metallurgy
Spectrometric Validation
Continuous spectral analysis of raw copper-zinc ratios ensuring true low-lead or lead-free compliance (AB1953 / NSF 61), eliminating toxic metal migration into greywater lines.
Phase 02: Tooling
Precision Tooling & Mold CAD
Reverse-engineering bath conversion kits matching obsolete American, European, and Asian drain footings, enabling drop-in retrofits without subfloor alterations.
Phase 03: Testing
Hydrostatic Stress Audit
100% pressurized immersion inspection detecting sub-micron defects, joint tolerances, and elastomer gasket resilience against thermal expansion from 4°C to 95°C water.
Phase 04: Logistics
Moisture-Barrier Packaging
Sealed anti-corrosion VCI barrier packaging engineered specifically for the 85%+ relative humidity experienced during transshipment through Chittagong and Mongla ports.
Sourcing Solutions
Solving Global & Local Procurement Bottlenecks
Addressing the distinct financial, regulatory, and mechanical demands of tier-one contractors and major building material distributors.
Bank LC & Import Regulatory Guidance
Importing into Bangladesh requires meticulous alignment with Bangladesh Bank Letter of Credit (L/C) criteria, Clean Report of Findings (CRF), and BSTI (Bangladesh Standards and Testing Institution) customs clearance. JANA provides complete documentation, reducing port demurrage risks.
Dual-Origin Tariff & Hedging Advantages
Through our operational manufacturing plants in both Zhejiang, China and Kabinburi, Thailand, enterprise buyers obtain flexible Certificates of Origin (Form E and regional trade frameworks) to optimize duty structures and insulate procurement from geopolitical trade interruptions.
Custom Architectural OEM/ODM Capabilities
Whether matching bespoke British-era thread standards or high-end contemporary PVD coatings (Matte Black, Brushed Nickel, Polished Brass, Oil Rubbed Bronze), our dedicated engineering team creates tailor-made molds, packaging sets, and barcode tagging for direct retail shelf deployment.
Wholesale Inventory Catalog
Comprehensive Bath Drain Conversion & Overflow Series
Exhaustive replacement parts inventory built for wholesale supply channels, renovation contractors, and hotel facility operators across South Asia.
Model JN-6105
China 2 Hole Overflow Plate JN-6105 for Bangladesh Plumbing Repair
Model JN-6106
China Trip Lever Overflow Plate JN-6106 Bangladesh Commercial Edition
Model JN-6107
Wholesale Flower Style Overflow Plate JN-6107 for Bangladesh Luxury Hotels
Model JN-6108
Wholesale Trip Lever Drain Assembly JN-6108 Bangladesh Projects
Model JN-6109
China Lift & Turn Bath Waste Conversion Kits JN-6109 Bangladesh Standard
Model JN-6110
China Lift & Turn Bath Waste Conversion Kits JN-6110 Bangladesh Retrofit
Model JN-6111
China Toe Touch Conversion Kit 1 Hole JN-6111 Bangladesh Commercial
Model JN-6112
China Toe Touch Conversion Kit 2 Hole JN-6112 Bangladesh Edition
Technical Clarifications
Frequently Asked Questions: Procurement & Specification
Key operational answers for mechanical engineers, wholesale importers, and sourcing directors engaging with China’s premier drain fabrication factories.
How do JANA Plumbing's replacement bath drain parts withstand Bangladesh's coastal salinity?
Our bath waste assemblies, overflow plates, and stoppers are hot-forged and precision-machined using high-grade virgin brass (CW617N / C36000) with strictly regulated lead and zinc ratios. Unlike inferior die-cast zinc alloys commonly found in regional hardware stalls, our brass parts exhibit superior resistance against dezincification, pitting corrosion, and galvanic degradation when exposed to brackish or high-TDS municipal water supplies in coastal districts such as Chittagong, Cox's Bazar, and Khulna.
Can your factory support custom thread pitch and adapter fittings for Bangladesh plumbing systems?
Yes. Due to historical infrastructure standards, Bangladesh plumbing networks utilize a mixture of British Standard Pipe (BSP/BSPT) and modern American standard pipe threads (NPT/NPSM). Our multi-axis CNC machines can rapidly toggle between ISO 228-1 and ANSI/ASME B1.20.1 thread specifications. We also manufacture dual-thread adapter bushings (e.g., 1-1/2" - 11.5 NPSM outer to 1-3/8" - 16 UNC inner) that allow replacement stoppers to retrofit into legacy tub bodies without re-piping.
What documentation and certifications are provided to clear Bangladesh Bank L/C inspections?
We operate fully compliant export processes tailored to strict Bangladesh Bank Letter of Credit requirements. We provide comprehensive mill test certificates (MTC), independent chemical spectrum analyses, third-party PSI (Pre-Shipment Inspection) coordination through SGS, Bureau Veritas, or Intertek, and consularized Certificates of Origin. Our factories adhere to ISO 9001 quality systems, and our product portfolio holds North American UPC, cUPC, and IAPMO listings.
How does the dual-manufacturing model in China and Thailand benefit enterprise buyers?
Our original headquarters in Yuhuan, Zhejiang provides deep engineering heritage, massive raw material access, and rapid high-volume manufacturing lines. Complementing this, our newly commissioned 14,400 m² automated facility in Kabinburi Industrial Zone, Thailand (operational since December 2023) allows our global partners to mitigate geopolitical supply-chain risks, optimize import duty frameworks, and access diversified shipping corridors while maintaining identical tooling, tolerances, and quality criteria.
What is the standard production lead time and Minimum Order Quantity (MOQ) for custom finished parts?
For standard catalog parts in Polished Chrome or raw brass, our production lead time runs between 25 and 35 days from receipt of LC or deposit. Custom architectural finishes (e.g., PVD Matte Black, Brushed Gold, Oil Rubbed Bronze) require 35 to 45 days to allow for precision automated rack plating and salt-spray batch validations. Standard MOQs range from 500 to 1,000 units per SKU, with flexible mixed-container consolidations accommodated for established wholesale distributors.
Equip Your Bangladesh Projects with Industrial-Grade Drain Systems
Request comprehensive 2D/3D CAD technical drawings, factory-direct bulk quotation sheets, and chemical metallurgical compliance dossiers today.