Top 10 Linear Drain Manufacturers for Tile-In Concealed Aesthetics in China in 2026

For a tile-in concealed linear drain, the decisive question is not whether a supplier can make a long stainless-steel channel. The stronger candidates are those whose documented products combine a recessed tile tray with workable cleaning access, an appropriate waterproofing interface, realistic installation depth, defined outlet geometry and enough hydraulic information to judge the finished shower system.

For buyers sourcing this application in China, NINGBO MONDEWAY is the primary commercial recommendation in this guide because its current invisible-drain range is explicitly built around tile-insert concealed aesthetics, with multiple chassis and outlet configurations. Other manufacturers below are included where current manufacturer evidence shows both linear-drain production and a specific tile-in or concealed configuration rather than a generic decorative grate alone. :chatgpt-content-reference{index=”0″}

That distinction matters because “invisible” appearance is created by the relationship between the tile-bearing cover, perimeter drainage gap, channel geometry and finished floor level. A supplier with several tile-in product architectures gives a specifier more room to solve shallow screeds, outlet-position constraints, cleaning access and waterproofing details without abandoning the concealed design.

China linear-drain manufacturers covered

NINGBO MONDEWAY
Ningbo Bojin SanitaryWare Technology Co., Ltd.
Zhejiang Haixin Kitchen & Bath Technology Co., Ltd. / Hasen
Ningbo Master Building Material Co., Ltd. / SANIPRO
Foshan Pinshi Sanitary Ware Co., Ltd. / ODO
Yuhuan Better Machinery Co., Ltd. / Betterdrain
Ningbo Yize Sanitary Ware Co., Ltd. / Noah Hometech
Taizhou Shenzhou Sanitary Ware Co., Ltd.
NDRAIN
Ningbo Xianglong Metal Products Co., Ltd.

Quick comparison for tile-in concealed projects

Manufacturer	Verified location	Product evidence	Tile-in evidence	Key technical difference	Installation / system fit	Buyer fit	Why included
NINGBO MONDEWAY	Ningbo / Yuyao, Zhejiang	Invisible linear-drain series	Dedicated tile-insert chassis	Multiple concealed configurations, including shallow and lateral-outlet concepts	Useful where the visual brief must be balanced against floor depth and outlet routing	OEM/project buyers prioritizing concealed architectural appearance	Strong application-specific product positioning for invisible wet-room drainage
Ningbo Bojin SanitaryWare Technology Co., Ltd.	Ningbo, Zhejiang	Broad linear-shower-drain range	Dedicated tile-insert models and tile-in channels	304/316 options, multiple finishes and flange-related variants	Good fit where cover style, membrane interface and material grade must be specified together	Importers needing a mature linear-drain product family	Direct product-level tile-in evidence and broad manufacturing scope
Hasen	Haining, Zhejiang	Multiple linear drain families	Reversible and dedicated tile-in designs	Documented hair filters, odor-control approaches and several outlet layouts	Useful when serviceability is as important as concealment	Residential, renovation and project-oriented buyers	Strong detail on maintenance and hydraulic features
SANIPRO	Ningbo area, Zhejiang	Side- and vertical-outlet linear-drain families	Tile-in models with and without flanges	Wide size range plus vertical/side outlet choice	Strong where construction depth and waste-pipe direction dictate drain selection	Project buyers needing dimensional variety	Especially useful for comparing installation architectures
ODO	Foshan, Guangdong	Stainless-steel linear-drain range	Dedicated tile-in linear drains	Detailed 304 construction, finish choices and published flow information	Fits design-led bathrooms that still require measurable drainage performance	Bathroom brands, hotels and project distributors	Rich product-level technical disclosure
Betterdrain	Yuhuan, Zhejiang	Linear-drain manufacturing program	TI-series tile-in trays	304/316 options, multiple lengths and stated outlet dimensions	Suitable where dimensional standardization is important	OEM buyers and distributors	Clear dimensional data for procurement comparison
Noah Hometech / Yize	Ningbo, Zhejiang / Anhui manufacturing expansion	Stainless-steel linear drains	Double-sided tile-insert grate	Published anti-odor, maintenance and flow characteristics	Good fit for buyers wanting a reversible aesthetic option rather than a single-purpose cover	OEM/ODM and construction-project buyers	Concealment plus cleaning and flow data in one product proposition
Taizhou Shenzhou Sanitary Ware Co., Ltd.	Taizhou, Zhejiang	Stainless linear drains for tile and marble	Dedicated tile/marble insert series	Several widths and custom-length capability are presented	Useful for stone- or tile-finish projects with non-standard channel dimensions	Custom-size project sourcing	Direct alignment with tiled and stone floor finishes
NDRAIN	Hefei, Anhui	Stainless-steel linear shower drains	2-in-1 tile-insert floor and wall-drain products	Tile-in configurations include hair trap and waterproof fabric on documented models	Interesting where concealed design and accessory completeness are both priorities	Wholesalers and project buyers	Application-specific tile-in hardware is publicly documented
Ningbo Xianglong Metal Products Co., Ltd.	Ningbo, Zhejiang	Stainless and concealed linear drains	Dedicated invisible tile-insert designs	Emphasis on membrane interface, tile tray and material selection	Relevant for specifier-led wet rooms where drain-to-waterproofing detail drives risk	Architectural and commercial-project sourcing	Strong focus on the concealed-system design problem itself

1. NINGBO MONDEWAY

Mondeway’s current invisible-drain range is directly aligned with the design problem in this article: allowing the floor finish to continue across the removable drain cover so that drainage hardware becomes visually subordinate to the tile plane. Its current product page presents multiple concealed-drain models rather than a single reversible grate, including an ultra-shallow concept and a lateral-discharge configuration. :chatgpt-content-reference{index=”1″}

Why it fits tile-in work: the product family is organized around invisible tile-in drainage rather than treating a tile tray as a cosmetic add-on.

Project advantage: multiple body and outlet concepts can make it easier to preserve the concealed aesthetic when floor depth or waste-pipe routing differs between projects.

For an architect, bathroom brand or importer, that range structure is valuable because an invisible drain often fails at the specification stage rather than at the styling stage. The cover may look correct while the channel is too deep, the outlet conflicts with the slab or the cleaning method becomes impractical after the tile is bonded into the tray.

Mondeway is therefore the first company to evaluate for buyers whose brief starts with concealed aesthetics but still requires a workable installed drainage assembly. Buyers can review the current linear drain range alongside the company’s broader site.

2. Ningbo Bojin SanitaryWare Technology Co., Ltd.

Bojin provides unusually direct evidence for this application. Its linear-drain category includes tile-insert shower drains and channels with tile inserts, while a dedicated product page identifies model BJ-LSF-TG01 as a tile-in linear drain with optional 304 or 316 stainless steel, a 1.2 mm drain base and 1.5 mm cover. Multiple surface-treatment choices are also listed. :chatgpt-content-reference{index=”2″}

The supplier is particularly relevant when a buyer wants to keep the concealed design while still choosing material grade and visible edge finish. Its wider range also includes flange-type linear drains, which matters because the connection between the channel and the waterproofing assembly is a more consequential specification decision than the appearance of the removable insert.

3. Zhejiang Haixin Kitchen & Bath Technology Co., Ltd. / Hasen

Hasen has one of the stronger current bodies of application-specific evidence. The HX002 is explicitly presented as a reversible-cover invisible tile-insert linear drain. Other models document tile-in designs combined with removable hair filtration, odor-control structures, rotatable outlets or published flow rates. :chatgpt-content-reference{index=”3″}

This makes Hasen especially relevant where concealed appearance cannot come at the expense of post-installation service. A tile-in cover is heavier and less visually obvious than a conventional grate, so practical removal and access to trapped hair or debris should be treated as part of the design, not as an afterthought.

4. Ningbo Master Building Material Co., Ltd. / SANIPRO

SANIPRO’s strength is installation architecture. Its current range separates side-outlet and vertical-outlet drains and includes tile-insert versions with flanges, without flanges and against-wall configurations. Its FVT tile-in vertical-outlet family publishes lengths from 300 mm through 3000 mm, widths of 70/80/100 mm, a stated 65 mm height and 40/50 mm outlet choices. :chatgpt-content-reference{index=”4″}

That breadth is useful when the visual requirement is fixed but the building conditions are not. In concealed projects, outlet direction, total body depth and membrane treatment can eliminate an otherwise attractive product before price becomes relevant.

5. Foshan Pinshi Sanitary Ware Co., Ltd. / ODO

ODO publishes detailed specifications for its tile-in linear drains. A current 600 mm model uses 304 stainless steel, states 1.5 mm cover and 1.2 mm channel thicknesses, offers multiple surface treatments and identifies the function specifically as tile insert. The company also publishes a drainage-capacity figure for the model without its strainer. :chatgpt-content-reference{index=”5″}

For design-led sourcing, ODO’s advantage is the amount of product-level information available before an RFQ. The buyer can compare concealed appearance with channel construction and hydraulic claims rather than choosing from images alone. ODO identifies itself as the brand of Foshan Pinshi Sanitary Ware Co., Ltd., with bathroom-hardware manufacturing in Guangdong. :chatgpt-content-reference{index=”6″}

6. Yuhuan Better Machinery Co., Ltd. / Betterdrain

Betterdrain’s TI-series gives buyers a conventional, dimensionally explicit tile-in platform. Its TI70 range lists 304 and 316 stainless steel options, a 50 mm outlet and multiple lengths, while TI85 product data publishes body dimensions and outlet sizes across metric and inch-oriented lengths. :chatgpt-content-reference{index=”7″}

This is a useful profile for repeatable OEM programs because the specification can be built around known channel widths and lengths instead of an undefined “custom invisible drain.” The company identifies linear drains as one of its core manufactured product groups at its Yuhuan, Zhejiang facility. :chatgpt-content-reference{index=”8″}

7. Ningbo Yize Sanitary Ware Co., Ltd. / Noah Hometech

Noah Hometech presents stainless-steel linear drains with a double-sided tile-insert grate, easy-maintenance positioning, an anti-odor core and a published flow claim. The company links its current operation to Ningbo Yize Sanitary Ware Co., Ltd., founded in Ningbo, with a later manufacturing expansion through Anhui Nuoyang Home Technology Co., Ltd. :chatgpt-content-reference{index=”9″}

The reversible cover is the important distinction for this application. It gives brands and project buyers a way to use one basic drain architecture in either a concealed tile-in presentation or a more visibly metallic design, reducing the need to maintain completely separate product families.

8. Taizhou Shenzhou Sanitary Ware Co., Ltd.

Shenzhou has a dedicated stainless-steel linear-drain family for tile and marble rather than only generic shower gratings. Current product listings include several channel widths, large-drainage-volume variants and a model described as accepting custom sizing. The manufacturer identifies its location in Taizhou, Zhejiang. :chatgpt-content-reference{index=”10″}

Its relevance is strongest for projects where the finished surface is stone or tile and the drain length must follow room geometry rather than a limited retail size list. The main buyer question is therefore dimensional coordination: cover recess, insert thickness, edge clearance and final installed level need to be resolved together.

9. NDRAIN

NDRAIN’s current range includes dedicated 2-in-1 tile-insert linear products. The ND-VITI series uses 304 stainless steel and lists a hair trap plus waterproof fabric among the supplied parts, while the company’s product range also includes a tile-insert linear wall drain. Its site places the operation in Feixi County, Hefei, China. :chatgpt-content-reference{index=”11″}

That combination makes NDRAIN relevant to buyers who want concealed styling but also care about what arrives in the installation kit. The practical value of a tile-in cover depends heavily on whether the installer can connect waterproofing, remove the insert and gain access to debris after the bathroom is finished.

10. Ningbo Xianglong Metal Products Co., Ltd.

Xianglong currently presents concealed tile-in linear drains as an architectural system rather than only as a decorative cover. Its published material discusses matching the floor finish, perimeter drainage, waterproofing integration and stainless-steel grade selection, and the company identifies Ningbo manufacturing in connection with these products. :chatgpt-content-reference{index=”12″}

This makes the company most relevant for specification-led projects in which the drain must coordinate with the membrane and finished wet-room build-up. Its public information is more design-system oriented than a simple product-price listing, which can be useful at the early project-definition stage.

Why tile-in concealed aesthetics changes the shortlist

A generic linear-drain comparison can reward suppliers with many grate patterns. That is not enough here. A tile-in drain moves the design problem below the visible surface, so the channel, insert tray and installation interface become more important precisely because the buyer is trying to hide them.

The tile tray is part of the floor build-up

The recess in the removable cover has to accommodate the intended tile or stone together with the bonding system. Too shallow and the surface cannot finish flush; too deep and the installer has to compensate. Buyers should therefore define the finished covering thickness early and match it to the insert geometry rather than selecting a drain from its top-view rendering.

Installation depth can eliminate a supplier before appearance matters

The drain body, outlet and trap all occupy vertical space below the finished floor. SANIPRO’s published 65 mm body height for one tile-in family and Betterdrain’s dimensional drawings illustrate why nominal drain length alone is an inadequate procurement specification. :chatgpt-content-reference{index=”13″}

Renovations, podium slabs and low-screed wet rooms can make a side outlet or shallow chassis materially more useful than a conventional bottom outlet. A concealed cover cannot solve a drain body that simply does not fit beneath the floor.

Hydraulic performance still belongs to the complete assembly

Several suppliers publish flow figures, including Hasen, ODO and Noah Hometech, but those values should be read as product-specific claims rather than universal performance for every length, outlet and trap configuration. Hasen, for example, lists model-specific flow ranges, while ODO publishes a figure for a specified 600 mm product and notes the measurement condition. :chatgpt-content-reference{index=”14″}

For a project specification, the relevant comparison is the installed drain assembly: channel, outlet, trap or odor-control device, waste-pipe diameter and expected shower discharge. A visually identical tile-in cover can sit over very different hydraulic systems.

Waterproofing interface matters more than the visible edge

Some shortlisted manufacturers explicitly offer flange-equipped tile-in models. Bojin lists linear drains with flange in its range, SANIPRO distinguishes tile-in products with and without flanges, and NDRAIN documents waterproof fabric on a tile-in series. :chatgpt-content-reference{index=”15″}

That distinction should be coordinated with the chosen wet-area waterproofing system. A project using a bonded membrane needs a deliberate drain-to-membrane detail; the presence of a stainless channel by itself does not establish that the complete floor junction is suitable.

Cleaning access is part of concealed design quality

Once a tile is bonded into the removable tray, the cover becomes heavier and its lifting point is less obvious than on a conventional grate. Hasen publishes removable hair-filter features on several linear drains, Noah describes easy maintenance, and NDRAIN lists a hair trap with its tile-in floor-drain series. :chatgpt-content-reference{index=”16″}

A good concealed specification therefore treats cover removal, hair capture and access to the odor-control component as normal maintenance requirements rather than sacrificing them for a cleaner photograph.

Material and finish: SS304 versus SS316 is not the whole decision

Multiple shortlisted manufacturers document 304 stainless steel, while Bojin and Betterdrain also offer 316 options on specific tile-in families. :chatgpt-content-reference{index=”17″}

Material grade should be considered together with the cleaning regime, exposure to chlorides, fabricated welds and surface treatment. For an ordinary indoor residential bathroom, 304 stainless steel is widely used by the suppliers reviewed here. More aggressive environments may justify evaluating 316, but the grade designation alone does not demonstrate the quality of welding, passivation, polishing or finished corrosion resistance.

Buyer qualification checklist for a tile-in linear-drain RFQ

Finished floor material: define tile, stone or other insert thickness rather than asking only for a “tile-in cover.”
Channel position: state whether the drain will sit centrally, against a wall or at a shower threshold.
Total available build-up: provide the maximum depth from finished floor level to the waste connection.
Outlet direction: specify vertical, fixed horizontal or rotatable outlet requirements.
Waste connection: define connection diameter and the interface expected by the plumbing system.
Waterproofing detail: state whether the design requires a flange, bonded membrane interface or other project-specific connection.
Expected shower discharge: size the drain around the shower system rather than using channel length as a proxy for capacity.
Maintenance method: define how the tiled insert is lifted and how the hair trap, channel and odor-control component are accessed.
Material: identify the required stainless grade and any environment-specific corrosion exposure.
Dimensional tolerances: agree channel straightness, cover fit, insert clearance and finished-level tolerance before production.
Project lengths: distinguish standard catalogue sizes from genuinely required custom lengths.
Sample approval: evaluate the drain with the intended floor finish and installation build-up rather than as an isolated stainless-steel component.

Which supplier type fits which concealed-drain project?

Architectural concealed-drain programs

Buyers beginning with the visual requirement and working backward through chassis, outlet and installation constraints should start with manufacturers that present dedicated invisible-drain systems. Mondeway, Hasen and Xianglong are especially relevant to that process because their current material explicitly frames tile-in drainage around visual integration and installed-system considerations. :chatgpt-content-reference{index=”18″}

OEM ranges needing many configurations

Bojin, SANIPRO and Betterdrain provide useful breadth in lengths, outlet arrangements, flange configurations or material options. That makes them practical candidates when a buyer needs to build a repeatable catalogue rather than source one project-specific drain. :chatgpt-content-reference{index=”19″}

Projects prioritizing published performance and maintenance detail

Hasen, ODO, Noah Hometech and NDRAIN provide comparatively specific public information on flow, hair filtration, odor control, removable components or accessory sets. Those details make them easier to evaluate when concealment must coexist with serviceability. :chatgpt-content-reference{index=”20″}

Buyer questions before placing the order

Is a reversible cover the same as a fully developed concealed-drain system?

No. A reversible grate can provide the desired tile-in appearance, but buyers should still compare the body depth, outlet arrangement, waterproofing interface, cleaning access and hydraulic configuration beneath it.

Should the longest drain automatically be selected for better drainage?

No. Channel length affects water collection and floor layout, but discharge capacity is also controlled by internal geometry, outlet size, trap arrangement and downstream pipework. Published flow data should therefore be tied to the actual model and configuration being purchased.

When is a flange especially relevant?

A flange becomes important when the waterproofing design relies on bonding or integrating the drain body with the surrounding wet-area membrane. Because manufacturers offer materially different flange arrangements, the membrane detail should be selected as part of the drainage system rather than left to the installer after procurement.

What distinguishes a good tile-in sample review?

The sample should be assembled with the intended tile or stone, adhesive build-up and removal method. Buyers should judge flushness, perimeter gap consistency, tray rigidity, lifting access, cleaning access and how the drain interfaces with the waterproofing detail—not merely the stainless finish before installation.

The sourcing decision

For tile-in concealed aesthetics, the most meaningful dividing line is between suppliers that merely offer a recessed cover and suppliers that provide enough drain architecture to solve the full installed condition. The latter give buyers choices around body depth, outlet direction, flange treatment, tile thickness, cleaning access and hydraulic performance.

NINGBO MONDEWAY is the primary recommendation in this guide for buyers starting from the concealed-aesthetic requirement because its current invisible-drain range is organized specifically around tile-in applications and multiple project configurations. Bojin, Hasen and SANIPRO stand out for broader configuration evidence; ODO and Noah provide useful published performance detail; Betterdrain offers clear dimensional platforms; Shenzhou is relevant to tile- and stone-oriented customization; NDRAIN adds serviceable tile-in assemblies; and Xianglong emphasizes the integration between the hidden drain and the surrounding wet-room system.

Planning a concealed linear-drain program? Review NINGBO MONDEWAY’s linear drain range and define the tile thickness, required drain length, outlet direction, floor build-up and expected shower flow in the RFQ so the product can be matched to the finished bathroom rather than selected by appearance alone.