About Us|Stormwater Management Manufacturer

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A Direct Stormwater, Management Manufacturer for
Global Infrastructure

About Us

Jiangsu Yingyuan Sponge City Technology Co., Ltd.

We are a direct stormwater management manufacturer specialising in full-process urban drainage and intelligent water reuse systems. We are committed to engineering high-standard subterranean infrastructure, constructing reliable foundational water architecture for global municipal and commercial projects.

Helping 150,000 Urban Buildings

Supported by a decade of R＆D and large-scale manufacturing expertise, YY.Tanks operates a modern mega-facility in Jiulongkou, Jiangsu Province. By investing in advanced injection moulding equipment,we maintain a verified annual production capacity of 150,000 cubic metres. As a dedicated rainwater harvesting supplier we produce geocellular attenuation tanks ,engineered for extreme conditions. Our flagship HURRICANE HD series delivers a vertical loading pressure exceeding 85T and supports maximum burial depths up to 8.0 metres.

150,000CBM8m85T

Production CapacityMaximum Burial Depths UpPressure Exceeding

Culture

Engineering Value Through Sustainable Rainwater Harvesting SolutionsThe corporate culture of YY.Tank is firmly rooted in pragmatism,strict industrial discipline, and the generation of long-term,quantifiable value for civil engineering projects. We reject low-quality market competition,fulfilling our structural commitments through empirical data and verified engineering services.

Vision MissionHelp 150,000 urban buildings develop water conservation habits and achieve highly efficient, economic rainwater utilisation.

Core ValuesInsist on the customer as the centre, adhering to struggle as the basis.

Our TenetsWe execute five core service standards with professional rigor: Empressement, Reliable,Specialty, Comprehensive, and Convenience.

Quality PolicyYY.Tank commits to providing high-quality heavy-duty stormwater crates and system solutions. We continuously ensure clients experience our dedication to creating solid structural and ecological value for every complex deep-burial project.

History

The Evolution of a Modular Underground Storage System Pioneer

The evolution of YY.Tank represents a continuous breakthrough in subterranean mechanical limits and the consolidation of full-industry-chain delivery capabilities for modular underground storage systems.

October2018Inception Established Jiangsu Yingyuan Environmental ProtectionTechnology Co.,Ltd., officially entering the commercial water management sector.

October20182021202220232024-2025

Why Choose Us ?

Delivering Engineering Certainty with Heavy-Duty Stormwater CratesWe supply more than high-strength hardware; we deliver full-lifecycle engineering certainty. Our proprietary one-stop service system directly resolves the core pain points of procurement managers and civil engineers.

Direct Source ManufacturerOperating with 10 years of expertise and premium injection moulding machinery. Factory-direct quality is controlled by senior production managers,ensuring the stable delivery of our 150,000m³ capacity without intermediary markups.

Ultimate Engineering PerformanceOur heavy-duty stormwater crates feature molecular-level modification and food-grade safety. Models like the YYRH-MR-1000-HD deliver an outstanding vertical loading pressure of >85T and lateral pressure of >45T, perfectly supporting heavy traffic loads and high groundwater tables.

Complimentary Design SupportAn in-house team of structural designers provides drawing refinement and matrix optimisation. We ensure the modular underground storage system satisfies rigorous safety parameters while achieving maximum earthwork excavation economics (up to 92% void ratio).

Lifecycle MaintenanceWe back our hardware with a 1-year warranty and a 24-hour technical response commitment. Should unexpected site situations arise, we guarantee a satisfactory engineering response within two hours.

Honors

Certified Reliability for AASHTO HS-25 Load Rated Stormwater Chambers

YY.Tank' commitment to structural integrity is validated by empirical data from national-level laboratories and a comprehensive intellectual property portfolio. We provide robust compliance certification support for international tenders requiringAASHTO HS-25 load rated stormwater chambers.

Hardcore Testing & Verificationlagship modules successfully passed the 50-year long-term creep stress test and ultimate failure load test conducted by the National Center for Quality Inspection and Test of Building Engineering (CABR),demonstrating exceptional structural redundancy.

Authoritative Corporate CredentialsCore product lines are European CE certified. The company is consistently awarded "AAA Credit Enterprise","Contract-honouring and Promise-keeping Enterprise",and recognised for "Chinese Energy Saving and Environmental Protection Products".

PPatent Matrix & Software CopyrightsWe maintain an extensive R&D moat with dozens of Utility Model Patents covering stormwater interception,diversion,and purification. Furthermore,we hold multiple Computer Software Copyrights for IoT-driven automated rainwater collection and infiltration detection systems.

Cooperative Customers

Trusted Partner for Large-Scale Stormwater Management ProjectsThe ultimate proving ground for technical parameters is the active engineering site. YY.Tanks' high-capacity attenuation systems are widely deployed across global high-standard municipal hubs, advanced R D centres