Raw Material : base on HDPE or PP
Inside Width: 100/150/200/250/300/400/500mm
Inside width: See size chart
Length : 1000mm
Material of Gratings:HDPE/PP/GS/SS/DI
Load Class:A15KN,B125KN,C250KN and D400KN
Plastic or PP Trench Channels with Steel or Cast Iron Gratings
• Winwin PP plastic drainage channels are integrally injection molded from high-impact modified polypropylene material. The monolithic plastic channel features lightweight rigid structure, strong anti-pressure toughness and anti-deformation performance. It is frost-proof, waterproof, aging-resistant, and highly resistant to diluted acids, alkalis, garden wastewater and underground soil corrosion, with no rust, no decay and long service life for outdoor buried installation.
• This multi-purpose PP channel supports three interchangeable tops: concealed brickslot drain, steel gratings and heavy-duty cast iron gratings. The flush brickslot design keeps a 10-20mm invisible narrow drainage gap for aesthetic paving effect. Standard steel gratings serve daily light drainage, while sturdy cast iron gratings offer heavy load protection for frequent vehicle rolling.
• The complete drainage set meets EN 1433 and EN 124 international test standards, covering load classes from A15 KN to D400 KN. Flexible for diverse site demands: decorative brickslot for landscape paving, steel gratings for pedestrian areas, cast iron gratings for light vehicle passages. It boasts easy onsite cutting, tool-free assembly, easy cleaning and cost-effective performance for residential, commercial and municipal drainage projects.
Drainage System Configuration


The advantage of PP Trench Channel
The modular design of drain channel is made of PP, it is 80% lighter than the traditional concrete channel. This makethe assembly and installation fast, easy, saving time and Money.
Winwin PP drainage channels are made of 100% recyclable plastic material that can be used again in the manufacturing process,therefore protecting the environment and future generations.
The smooth rounded internal surface of the Winwin water drainage systems creates higher rates while allowing a self cleaning action thus avoiding the accumulation of silt deposits.
Due to Winwin’s superior Polypropylene construction,it is able to resist most chemical agents,acids,salts,alkaline,fuels,oils,fats,etc.
The advanced construction of the Winwin drainage channel gives it greater structural rigidity,protecting it from damage during and after installation.
Being manufactured from lightweight material,has the added advantage of being easier th handle,transport,and install.
4 point security lockdown for Anti-Theft peace of mind.
Size Chart for PP Trench Channel

Various Grating Covers for PP Channel
HDPE drainage channels can be equipped with HDPE covers, steel covers, slot drains, and ductile iron covers. The load-bearing capacity varies depending on the cover material. Our HDPE drainage channels are compatible with covers ranging from A15KN to D400 loading class, meeting different construction and infrastructure requirements.


HDPE Channel accessories

Applications for HDEP Drainage Channel
Winwin drainage systems are widely used across residential, commercial, industrial and agricultural applications, including:Bungalows, villas, apartments, condominiums, offices, gardens, pedestrian areas, cycle lanes, driveways, parking lots, highways, urban roads, public plazas, industrial zones, logistics parks, wharves, airports, botanical gardens and infrastructure projects.They are the ideal choice for municipal engineering, urban infrastructure, traffic construction, civil engineering and various industrial & commercial projects.

Chart of Load Class

Certificate
Founded in 2006, WINWIN GROUP has obtained authoritative certifications including CE, ISO9001, ISO14001 and ISO45001. Meanwhile, WINWIN GROUP’s drainage channels and trench covers are manufactured in strict accordance with EN 1433 and EN 124 standards, ensuring superior product quality and compliance with global market requirements.

Professional manufacturer and exporter of complete stormwater and wastewater drainage system solutions. Our comprehensive product portfolio covers polymer concrete or resin concrete drainage channels, linear trench drains, HDPE or PP or plastic drainage channels, polymer concrete or resin concrete trench channels, slot drain, kerb drains, monolithic drainage channel, sumps, catch basins, as well as a full range of trench grates and access covers including ductile cast iron grates, stamped steel trench covers, slotted steel covers, manhole covers and recessed access covers.
Winwin drainage products are strictly manufactured and tested in compliance with CE EN 1433 and EN 124 standards, supporting full load classes from A15 (1.5 tons) up to F900 (90 tons).
Winwin integrated drainage solutions are widely adopted for municipal roads, parking lots, logistics parks, commercial plazas, industrial zones, hospitals, landscape projects and other public infrastructure. They apply to building drainage, municipal water supply & drainage, road works and industrial floor drainage.Compliant with international quality standards, our products effectively prevent waterlogging and safeguard the structure of surrounding facilities.
With 20 years of manufacturing and exporting experience, we provide reliable quality, stable performance and competitive prices for global customers.
Welcome to contact us for long-term win-win cooperation.