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Professional Plastic Pipeline Solutions Since 1996

Leading manufacturer of PPR, PVC, CPVC, PE pipes & fittings, plastic valves, and moulds for water supply and irrigation systems.

Who We Are

DONSEN was established in 1996 and is located in Ningbo, a developed and beautiful international port city in Zhejiang Province, China. With over 25 years of experience, we are one of the most professional manufacturers specialized in producing plastic pipeline systems for water supply and irrigation.

Our main products include PP-R pipes and fittings, PP compression fittings, C-PVC and U-PVC pipes & fittings, PE and PE-RT floor heating pipes, plastic moulds, and various plastic valves such as PVC, PPR, CPVC, and brass valves.

1996
Founded
100+
Countries Served
DONSEN Factory
4
Production Bases
100+
Countries Exported To
3
Main Application Areas

Our Product Range

High-quality plastic piping systems and components designed for durability, efficiency, and long-term performance in water supply, irrigation, and industrial applications.

PPR Quick-Push Fitting

PPR Quick-Push Fitting

Fast, reliable connections without tools. Ideal for residential and commercial plumbing.

PVC Valves Series

PVC Valves Series

Durable and cost-effective valves for fluid control in various industrial and municipal systems.

PP Compression Fitting PN16

PP Compression Fitting PN16

High-pressure resistant fittings suitable for hot and cold water systems.

HDPE Same Floor Drainage Fitting

HDPE Same Floor Drainage Fitting

Innovative drainage solutions for modern bathroom installations with minimal noise and space usage.

CPVC Pipes & Fittings

CPVC Pipes & Fittings

High-temperature resistant systems ideal for hot water distribution and industrial applications.

PVC Pipes & Fittings (DIN 8063)

PVC Pipes & Fittings (DIN 8063)

Standard-compliant piping systems for cold water and drainage with excellent chemical resistance.

PPR Copper Pipes & Fittings

PPR Copper Pipes & Fittings

Hybrid systems combining the strength of copper with the flexibility of PPR for enhanced durability.

PE Fittings

PE Fittings

Flexible and corrosion-resistant fittings for gas and water distribution networks.

PPR Push Fittings

PPR Push Fittings

Tool-free installation with secure, leak-proof connections for fast project completion.

PP Clamp Saddle

PP Clamp Saddle

Secure branch connections on main pipelines without cutting, ideal for retrofitting.

PVC Fittings (TIS 1131)

PVC Fittings (TIS 1131)

Thailand Industrial Standard compliant fittings for municipal and agricultural water systems.

Fittings Mould

Fittings Mould

Precision-engineered moulds for high-volume production of plastic pipe fittings.

Why Choose DONSEN?

Decades of expertise, global reach, and commitment to quality make us a trusted partner in fluid control solutions.

4 Production Bases

Strategically located manufacturing facilities ensure high capacity and fast delivery worldwide.

Global Export Network

Products exported to more than 100 countries, meeting international standards and certifications.

Certified Quality

Compliant with ISO, DIN, TIS, and other global standards for safety and performance.

Eco-Friendly Materials

Plastic systems designed for longevity, recyclability, and minimal environmental impact.

Innovative Technology

Advanced moulding and extrusion techniques ensure precision and consistency in every product.

Dedicated Support

Technical assistance, product training, and responsive customer service available globally.

Frequently Asked Questions

Get answers to common questions about our products and services.

What is the difference between PPR and CPVC pipes?

PPR (Polypropylene Random Copolymer) pipes are ideal for hot and cold water systems up to 70°C, offering excellent chemical resistance and flexibility. CPVC (Chlorinated Polyvinyl Chloride) pipes can withstand higher temperatures (up to 93°C) and are commonly used in industrial and hot water applications.

Are DONSEN products certified?

Yes, our products meet international standards including ISO, DIN 8063, and TIS 1131. We maintain strict quality control throughout the manufacturing process.

Can I get a product catalog or pricelist?

For inquiries about our products or pricelist, please visit our official website to contact the sales team directly.

What are the advantages of PVC ball valves?

PVC ball valves offer durability, cost-effectiveness, and ease of use. They provide reliable shutoff, excellent chemical resistance, and are lightweight compared to metal valves.

Do you offer custom moulds for fittings?

Yes, we specialize in designing and manufacturing precision plastic moulds for pipe fittings based on customer specifications.

Get in Touch

For inquiries about our products, pricelist, or technical support, please visit our official website to contact us directly.

Visit Official Website

Head Office

No.1 Zhijiang Road, Lanjiang Street, Yuyao City, Ningbo, Zhejiang Province, China.

Phone

+86-574-62649488

Email

ds@donsen.net

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