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Premium PE Pipe Fittings for Water Supply, Drainage & Mining

Manufacturer specializing in large caliber, electrofusion, double seal, and special parts for industrial and municipal applications.

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Dongqi Pipe Manufacturing Facility

Who Are We?

Ningbo Dongqi Pipe Industry Co., Ltd

Our company covers an area of more than 25,000 square meters and specializes in the research, development, and production of PE pipe fittings for water supply, drainage, and mining applications. Established with a commitment to innovation and quality, we have been serving global infrastructure needs since our inception.

In 2008, we achieved ISO9001:2000 quality management system certification, affirming our dedication to consistent product excellence. With professional technical teams and advanced pipe fittings processing equipment, we are committed to sustainable development and green environmental protection in the pipeline industry.

ISO9001:2000 Certified Since 2008
Over 25,000 sqm Production Area
Specialized in PE Pipe Fittings R&D and Manufacturing
Explore Our Capabilities

Our Product Range

As a leading manufacturer, we offer a comprehensive range of high-performance PE pipe fittings designed for durability, leak-free connections, and long-term reliability in demanding environments.

Large Caliber PE Pipe Fittings

Large Caliber PE Pipes

High-strength, large diameter polyethylene pipes ideal for major water transmission, drainage, and industrial flow systems.

  • Model: A-001
  • Application: Municipal water supply, mining slurry transport
  • Features: High pressure resistance, excellent abrasion resistance
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Electrofusion Fittings

Electrofusion Fittings

Precision-engineered fittings with integrated heating coils for secure, leak-proof joints in PE piping systems.

  • Types: Couplers, elbows, tees, reducers
  • Connection: Electrofusion welding
  • Benefits: Fast installation, high joint integrity
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Double Seal Fittings

Double Seal Fittings

Advanced sealing technology with dual O-rings for enhanced leak protection in critical applications.

  • Models: C-001, C-002
  • Sealing: Double EPDM O-rings
  • Use Case: High-pressure water systems, chemical transport
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Special Parts D-001

Special Parts - D-001

Custom-designed transition fittings and adapters for complex pipeline configurations and retrofitting projects.

  • Type: Transition & adapter components
  • Material: High-density PE with reinforcement
  • Customization: Available upon request
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Special Parts D-003

Special Parts - D-003

Engineered solutions for unique pipeline challenges, including bends, reducers, and connection interfaces.

  • Application: Mining, tunneling, offshore
  • Design: Stress-optimized geometry
  • Testing: Pressure and fatigue tested
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PE Pipe Fittings Assembly

Mining & Industrial Solutions

Robust piping systems designed for harsh mining environments, including slurry transport and dewatering.

  • Environment: Corrosive, abrasive conditions
  • Advantage: Lightweight, easy to install underground
  • Service Life: Over 50 years
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Water Supply Systems

Reliable, clean, and corrosion-resistant PE piping for municipal and rural water distribution networks.

  • Compliance: Meets drinking water standards
  • Installation: Trenchless methods compatible
  • Flow Efficiency: Smooth inner surface reduces friction
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Sustainable Drainage

Eco-friendly PE solutions for stormwater management, wastewater, and drainage infrastructure.

  • Applications: Sewer lines, culverts, retention systems
  • Benefits: Long lifespan, low maintenance
  • Environmental: Recyclable materials used
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Why Choose DQPIPE?

We combine advanced manufacturing, rigorous quality control, and customer-focused service to deliver reliable pipeline solutions worldwide.

ISO Certified Quality

Our production processes meet ISO9001:2000 standards, ensuring consistent quality and performance across all product lines.

Advanced Manufacturing

Equipped with state-of-the-art processing machinery and staffed by experienced technicians for precision production.

Global Applications

Our products are trusted in water, mining, and industrial projects across continents for their durability and reliability.

Eco-Friendly Solutions

We promote green environmental protection through recyclable materials and sustainable manufacturing practices.

Applications in Water Supply & Drainage

Our PE pipe fittings are engineered to meet the demanding requirements of modern water infrastructure. From municipal supply networks to industrial drainage systems, DQPIPE delivers performance you can trust.

  • Water Transmission: Large diameter pipes for efficient long-distance water transfer with minimal pressure loss.
  • Urban Distribution: Electrofusion and double seal fittings ensure leak-free connections in city water grids.
  • Wastewater Management: Corrosion-resistant systems for sewage and stormwater drainage.
  • Mining Operations: Durable piping for dewatering, slurry transport, and process water in harsh environments.
Explore Technical Specifications
PE Pipe Installation in Water Supply System
25,000+
Square Meters of Production Area
2008
ISO9001:2000 Certification Achieved
Global
Serving Clients Worldwide

Latest News & Updates

Stay informed about company developments, industry trends, and new product launches from DQPIPE.

November 2023

Company Overview

Ningbo Dongqi Pipe Industry Co., Ltd. is located in Hemudu Town, a 7,000-year-old historical and cultural site in Yuyao City, Zhejiang Province, combining tradition with modern industrial innovation.

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November 2023

Integrity-Based Service

We operate on the principle of "integrity-based, service eternal," building long-term partnerships with clients through trust and reliability.

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November 2023

Looking Forward to Serving You

We are eager to collaborate with domestic and international partners to advance green environmental protection and sustainable development in the pipe fitting industry.

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Get in Touch

For product inquiries, technical support, or partnership opportunities, visit our official website to connect with our team.

Contact Information

No. 99-2 Hemudu North Road, Hemudu Town, Yuyao City, Zhejiang Province
+86-574-62966131
[email protected]
+86 18668812855
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