Explore our leading selection of engineered stainless steel drains designed for superior hydraulic capacity, anti-odor performance, and aesthetic integration.
A professional whitepaper analyzing material optimization, hydraulic architecture, and compliance criteria for global architects, developers, and procurement officers.
In modern wetroom architecture and civil engineering, selecting the right grade of stainless steel for floor waste is critical to structural durability. Stainless steel floor wastes (or floor drains) are constantly exposed to mechanical abrasion, household detergents, organic acids, and chloride-laden water. As a premier China stainless steel floor waste supplier, we specialize in high-precision processing of both Grade 304 (UNS S30400) and Grade 316 (UNS S31600) stainless steel. Grade 304, alloying 18% chromium and 8% nickel, provides outstanding resistance to atmospheric and chemical oxidation, making it the industry standard for residential wet zones and high-end hotel developments.
For harsher environments, such as outdoor marine swimming pool decks, commercial food processing facilities, and industrial laboratories, we engineer floor wastes using Grade 316 stainless steel. The addition of 2% molybdenum dramatically increases its resistance to pitting and crevice corrosion in environments with high concentrations of chlorides or salt. Our deep metallurgical expertise allows us to passivate surfaces through electrochemical treatments, ensuring the passive oxide layer is uniformly restored post-fabrication for maximum corrosion immunity.
A floor waste is not merely an aesthetic trim; it is a vital component of a building’s wastewater system. Poorly designed floor wastes lead to drainage backup, sewer gas ingress, and microbial proliferation. We design our floor wastes with optimal internal sloping angles and high-flow outlet capacities. For example, our 360° rotating outlet linear drains facilitate versatile waste-pipe installation, eliminating tight bends that slow down hydraulic velocity. Equipped with advanced mechanical self-closing traps or dry-seal siphonage barriers, our floor drains open instantly under hydrodynamic weight and seal hermetically when dry. This prevents sewer gas migration into living spaces, ensuring optimal indoor air quality (IAQ) and sanitation.
Over two decades of metal engineering excellence, advanced fabrication tooling, and world-class certification systems.
Ningbo Xianglong Metal Products Co., Ltd., with 26 years of deep expertise in the metal products sector, specializes in providing one-stop ODM/OEM customization services for global clients across categories including floor drains, wall niches, coffee bean storage bins, and metal office furniture. Our operations span the entire value chain from design and R&D to production.
Equipped with core processes including laser cutting, stamping and bending, precision welding, and automated assembly, the company ensures consistent quality through standardized production. It holds authoritative certifications such as German TUV, ISO 9001, and ISO 14001. Leveraging robust manufacturing capabilities and professional services, its products reach major markets including Europe, North America, and Australia.
How we convert engineering blueprints into high-precision stainless steel hardware under rigorous standards.
High-precision laser processing for flawless dimensional accuracy on heavy-gauge stainless steel sheets.
Utilizing high-tonnage mechanical presses for consistent drawing and deformation-free shaping of complex profiles.
Seamless structural jointing with zero gas porosity. Clean, continuous welds prevent liquid seepage.
Depositing durable nitride films for high-end aesthetic finishes, including matte black, gunmetal, gold, and bronze.
Chemical surface treatment to restore high-chromium resistance and deliver smooth, anti-grit surfaces.
Every batch undergoes structural testing and flow volume assessments to verify hydraulic output.



Why leading global construction networks trust Xianglong as their designated OEM partner.
We comply fully with European Norms (EN 1253) for trapped floor gullies and drainage systems. This standard mandates strict load testing (up to Class K3 for barefoot/pedestrian zones), trap sealing depth limits (minimum 50mm liquid height), and chemical durability tests.
To serve our clients in the United States and Canada (such as AOB), our designs align with ASME A112.18.2 / CSA B125.2 plumbing codes. We focus heavily on linear drains compatible with traditional clamping collar membranes or modern sheet waterproofing systems.
Working alongside prominent brands like DELTA (Australia), our manufacturing line respects AS/NZS 3496 standards for wet area fittings. Our products incorporate precise mesh size calculations to prevent clogging while maintaining superior hydraulic output under AS3500 drainage design rules.
Our corporate quality framework is verified by German TUV, ISO 9001 quality systems, ISO 14001 environmental protocols, and audited factories.





We showcase our latest drainage innovations worldwide, connecting with leading distributors and MEP consultants.




From industrial facilities and commercial kitchens to modern home bathrooms, our floor wastes provide high performance in every environment.
We minimize procurement risk and optimize quality standards across the entire supply chain.
Our company assumes 100% responsibility for manufacturing conformity. With advanced design reviews, pre-production prototyping, and testing parameters, we eliminate operational risks for your brand.
We maintain stable, long-term partnerships with leading international brands including AOB (USA), ASTERM & WIRQUIN (Europe), DELTA (Australia), and COFLEX (Mexico), ensuring global standards of craftsmanship.
We operate under certified ISO 9001 and ISO 14001 frameworks, with audits from German TUV. Each product meets environmental regulations and strict building code parameters.









Key design and technology trends shaping the modern building hardware sector.
Modern bathrooms are shifting away from traditional central point drains toward linear, low-profile barrier-free systems. Linear floor wastes, especially tile-in invisible models, allow for a single-slope floor gradient. This simplifies tile layouts, reduces installation time, and minimizes risk of water pooling. Additionally, wall-integrated niches and drains provide a seamless visual aesthetic while maintaining high drainage flow rates.
Traditional water-trap floor wastes can dry out, allowing sewer odors and pests to enter the living space. Modern floor wastes increasingly use mechanical, gravity-activated dry seals or magnetic valve assemblies. These systems open automatically during drainage and close tightly when water flow stops, offering reliable protection against backflow, odors, and pests.
Physical Vapor Deposition (PVD) coating has revolutionized bathroom hardware finishes. Unlike traditional electroplating, PVD creates a molecular bond with the stainless steel substrate, providing superior resistance to scratches, corrosion, and chemical damage. We offer PVD finishes in gold, champagne, gunmetal gray, and matte black to match premium bathroom fixtures.
Get authoritative answers to technical, engineering, and manufacturing questions about stainless steel floor wastes.
Premium floor wastes, wall niches, and related high-flow drainage solutions engineered for modern wetrooms.
We also manufacture wall niches and shelves designed to coordinate with our floor waste lines for a unified, modern aesthetic.
Our stainless steel wall niches offer an easy-to-install, space-saving storage solution. Available in multiple PVD color options, they integrate seamlessly into wet walls, replacing traditional protruding shelves with clean, recessed storage.







Our corner shelves feature a triangular, mechanically optimized structure that maximizes usable space in compact bathrooms. Constructed from high-grade stainless steel, they provide moisture-resistant storage for damp environments.



