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The OEM Corrugated Rotational Molding Septic Tank is an underground buried sewage treatment tank manufactured using integral rotational molding technology. The tank body features a corrugated reinforced structure and is made from modified HDPE raw material, forming a three-chamber integrated sewage separation and purification system without any splicing seams. It offers excellent anti-corrosion, anti-leakage, and anti-compression performance, enabling sedimentation, anaerobic fermentation, and filtration separation of domestic sewage. Widely applied in rural toilet renovation, villa residential sewage treatment, scenic area temporary toilets, and village centralized wastewater treatment projects. We support full OEM customization of tank volume, inlet and outlet caliber, and external dimensions for environmental engineering contractors and pipeline wholesalers.
Key Features & Benefits
Integral Rotomolded Seamless Anti-Leak Structure: Whole septic tank is molded in one rotational molding process, eliminating welding and assembly leakage risks. The fully sealed cavity prevents sewage seepage to avoid soil and groundwater pollution.
Corrugated Reinforced Anti-Compression Design: Circular corrugated structure evenly disperses underground soil pressure, providing strong anti-compression capacity and resistance to deformation or cracking after long-term buried installation.
Superior Anti-Corrosion & Long Service Life: Modified HDPE material resists erosion from sewage, sludge, and organic acids. Unlike concrete septic tanks, it will not corrode, pulverize, or leak, with a service life exceeding 50 years underground.
Three-Chamber Integrated Purification Function: Built-in separated three-chamber structure automatically completes solid-liquid separation, anaerobic degradation, and secondary filtration, effectively reducing COD of domestic sewage to meet qualified discharge standards.
Lightweight & Flexible OEM Customization: Compared to concrete tanks, plastic septic tanks are lightweight and convenient for transportation and installation. We customize tank capacity, inlet/outlet positions, pipe diameters, and surface logo printing according to customer engineering requirements.
Suburban villa independent sewage treatment tank, small community decentralized wastewater storage and purification equipment
Scenic & Temporary Public Facilities
Tourist attraction temporary toilet sewage tank, construction site mobile toilet wastewater container, park public restroom sewage treatment
Environmental Protection Engineering Projects
Small decentralized sewage treatment stations, agricultural breeding waste water pretreatment, village sewage collection facilities
Frequently Asked Questions
Can this corrugated septic tank withstand long-term underground soil pressure?
Yes. The surrounding corrugated reinforced structure can uniformly bear soil pressure, providing strong compression resistance with no collapse or deformation after long-term buried use.
Is the plastic septic tank easy to leak after years of burial?
The tank body is integrally rotomolded without any assembly gaps, featuring a fully sealed structure. HDPE material will not crack or leak like cement tanks, maintaining stable anti-leak performance for decades.
What OEM customization can you provide for environmental engineering projects?
We adjust tank volume, change inlet and outlet pipe sizes and positions, print engineering brand logos, and design special sizes according to construction site geological layout requirements.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2026
Total Annual:
>20 million
Employee Number:
>30
Ecer Certification：
Verified Supplier
Changzhou SunMore Rotomolding Technology Co., Ltd.With more than 15 years of experience in the rotomolding industry, Changzhou SunMore Rotomolding Technology Co., Ltd. is a modern comprehensive enterprise that integrates design, R&D, manufacturing, trading and investment.
Our ...
Changzhou SunMore Rotomolding Technology Co., Ltd.With more than 15 years of experience in the rotomolding industry, Changzhou SunMore Rotomolding Technology Co., Ltd. is a modern comprehensive enterprise that integrates design, R&D, manufacturing, trading and investment.
Our ...
