Establishment and Foundation
Founded in 1998 in Purnea, Bihar, DUNA Plast began under J.S. POLYMERS with a vision to deliver reliable water storage solutions.
With over 25 years of experience, DUNA Plast has earned its place as a pioneer in India’s polymer storage industry. Our ISO 9001:2015 certification reflects our commitment to safety, hygiene, and quality. Whether it’s our multi-layer tanks, bird-safe lids, or garden pipes — every product reflects modern thinking, affordability, and long-lasting performance. Backed by over 500+ dealers nationwide, we ensure timely delivery, professional service, and constant innovation that meets the evolving demands of homes, industries, and agriculture across India.
Founded in 1998 in Purnea, Bihar, DUNA Plast began under J.S. POLYMERS with a vision to deliver reliable water storage solutions.
From a single unit to 500+ dealers nationwide, DUNA Plast expanded its product range, introduced innovations, and achieved ISO 9001:2015 certification.
DUNA Plast aims to bring Indian-engineered, health-safe water tanks to global markets, promoting sustainability, affordability, and unmatched build quality worldwide.
We combine global standards with local insights. Our tanks are RoHS-compliant, food-grade, UV-resistant, and built with Microban® antimicrobial protection. Every DUNA Plast product reflects unmatched craftsmanship, innovation, and value.
Every DUNA Plast tank is a result of precision engineering using 100% virgin plastic and phthalate-free granules. From 3-layer to 8-layer triple foam tanks, we offer enhanced insulation, rust-proofing, air vent lids, and unmatched durability. With options like Blow Mould and Roto Mould technology, our tanks maintain water temperature, resist impact, and withstand extreme environments — giving you a long-lasting, maintenance-free experience.
Made from 100% virgin, food-grade plastic with Microban® technology for safe, hygienic water storage.
From 3 to 8 layers, tanks offer insulation, UV protection, and long-lasting durability in all conditions.
Bihar’s first movable, lightweight tank base — cost-effective, durable, and easy to install anywhere.
Over 500+ dealers ensure product availability, service, and trust across every region of India.
Get quick answers to all your DUNA Plast product queries. From tank layers to installation tips, our help desk covers everything to make your purchase smooth, safe, and satisfying.
All our tanks are made from 100% virgin plastic and food-grade material, ensuring hygiene and durability.
Yes, our tanks are RoHS certified, Microban® protected, and made from food-grade plastic, making them completely safe for drinking water.
Roto Mould tanks offer thicker, even walls and are ideal for large volumes, while Blow Mould tanks are lightweight and impact-resistant, suited for smaller capacities.
We offer tanks in 3 to 8 layers, including advanced triple foam models with insulation, anti-microbial layers, and UV protection.
Tank sizes range from 200L to 5000L, catering to all residential, commercial, and agricultural needs.
Yes, our tanks and eco-bases are designed for easy installation. Ensure a flat, level, and compacted base for optimal support.
Our Wonder Water Tanks come with a 5-year warranty. Other models follow standard warranty terms—details are available at purchase.
You can reach us at 📧 jspolymers11@gmail.com or follow us on Instagram @duna_plast22 for updates and support.
📍 J.S. Polymers, Ramraj Chowk, Gulabbagh – 854326, Purnea
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