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Premium HDPE & UPVC Pipe Fittings

High-performance, ISO-certified pipe fittings for water and gas systems. Trusted by clients in 19 countries.

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About Us

Ningbo Sunplast Pipe Co., Ltd

With over 15 years of experience in China, Ningbo Sunplast Pipe Co., Ltd has evolved from a small factory with fewer than 5 workers into a globally recognized manufacturer of HDPE and UPVC pipe fittings.

We specialize in the professional production of gas and water HDPE Electrofusion Fittings, HDPE Butt Fusion Fittings, HDPE Compression Fittings, uPVC Gasketed Fittings, and uPVC Solvent Weld Fittings.

Our mission is simple: “Quality is life, technology is leading force, client’s satisfaction is ultimate target.”

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Factory and Production
532+
Happy Clients
48
Branches & Subsidiaries
300+
Distributors
19
Countries Served

Our Best Selling Products

HDPE Butt Fusion Flange Adaptor

HDPE Butt Fusion Flange Adaptor

Ideal for connecting HDPE pipes to flanged systems with high leak resistance.

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HDPE Butt Fusion Equal Tee

HDPE Butt Fusion Equal Tee

Used for creating 90° branch connections in HDPE piping systems.

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HDPE Butt Fusion 90 Degree Elbow

HDPE Butt Fusion 90° Elbow

Smooth directional change with minimal pressure drop in pipelines.

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HDPE Butt Fusion 45 Degree Elbow

HDPE Butt Fusion 45° Elbow

Gentle turn fitting for routing HDPE pipes with reduced turbulence.

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HDPE Butt Fusion Reducer

HDPE Butt Fusion Reducer

Connects pipes of different diameters with seamless transition.

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HDPE Butt Fusion End Cap

HDPE Butt Fusion End Cap

Seals the end of HDPE pipes securely and permanently.

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HDPE Electrofusion Reducing Tee

HDPE Electrofusion Reducing Tee

Allows branch connections with varying diameters using electrofusion technology.

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UPVC 45 Degree Elbow

UPVC 45° Elbow

Corrosion-resistant PVC fitting for directional changes in water systems.

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Why Choose Our Fittings?

ISO Certified Quality

All products meet ISO9001, ISO14001, ISO4427-3/EN12201-3, and EN1555 standards.

15+ Years Experience

Trusted manufacturer with over 15 years of expertise in HDPE and UPVC fittings.

Global Distribution

Serving clients in 19 countries with 300+ distributors and 48 branches.

Multiple Connection Types

Butt fusion, electrofusion, compression, gasketed, and solvent weld options.

Water & Gas Applications

Engineered for safe and durable use in both water and gas distribution systems.

Dedicated Support

Professional after-sales team ensures smooth service and technical support.

Frequently Asked Questions

What are HDPE butt fusion fittings used for?

HDPE butt fusion fittings are used to join HDPE pipes through heat fusion, creating a strong, leak-proof joint ideal for water and gas pipelines.

Are your UPVC fittings suitable for potable water?

Yes, our UPVC solvent weld and gasketed fittings meet international standards for safe use in drinking water systems.

Do you offer custom sizes or OEM services?

Yes, we provide OEM/ODM services and can manufacture fittings in custom sizes and specifications upon request.

What certifications do your products have?

Our fittings are certified under ISO9001, ISO14001, ISO4427-3/EN12201-3, and EN1555 standards, and tested by the National Chemical Building Materials Test Center.

How can I place an order?

You can visit our official website or contact our export team directly via WhatsApp, Skype, or email for inquiries and orders.

Get in Touch

Our experienced team is ready to assist you with product selection, technical support, and quotations.

Contact Information

  • +8615968493053
  • export@sunplastpipe.com
  • Luotuo Industrial Area, Zhenhai District, Ningbo City, Zhejiang Province, China
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