Company Profile
As a professional rainwater harvesting system provider, we offer wholesale sales and customized processing of rainwater PP modules. We serve customers nationwide and have established long-term close cooperative relations with many top 100 enterprises in China.
The high-quality service of Jiangsu Yingyuan Sponge City is the key to our rapid development. We provide customers with comprehensive and detailed optimized solutions, product pictures and project pictures, enabling every customer to enjoy a one-stop service covering pre-sales, sales and after-sales stages, with a first-class experience.

Corporate Vision
Jiangsu Yingyuan has won wide praise from customers for its advanced technology, excellent quality and complete services.
Our vision and mission: Help 150,000 urban buildings adopt water-saving practices.
The company adheres to the corporate values of customer-centricity and striver-orientation.


Welcome to Visit Us
We are committed to industry promotion and exchange activities. Through long-term development, our company has established long-term and stable partnerships with many top 100 enterprises in China, relying on excellent product quality, reliable performance and leading technological advantages. We warmly welcome all customers to visit our company for inspection, tour and exchange.


Tell us three numbers — target storage volume in m³, maximum burial depth in metres, and the surface load above the tank (car park, fire lane, or deep burial). YY Tank (Jiangsu Yingyuan Sponge City Technology Co., Ltd.) engineers each quote from these inputs and returns a sized proposal, not a catalogue page. Engineering responses run within 4 working hours.
Send them to info@yy-tank.com, message us on WhatsApp, or use the quote request form.
Spec sheets, per-SKU load test reports and the CABR 50-year creep report are free in the downloads centre — no registration wall.