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Premium PEX Pipes & Fittings Manufacturer

Watermark-certified PEX solutions trusted by over 1000 clients across 30+ countries. Specializing in Australian standard PEX pipe and brass fittings since 2006.

1000+ Clients
30+ Countries
17+ Years Experience
PEX Pipe and Fittings
Factory and Products

About RZPEX

Cixi Runzhou Pipe Industry Co., Ltd., founded in 2006, is a professional manufacturer and exporter of Watermark-certified PEX pipes (Cross-linked Polyethylene) and brass fittings.

Located in Cixi City, Zhejiang Province, our strategic position provides easy access to Hangzhou Bay Cross-Sea Bridge, Ningbo Sea Port, and Lishe Airport — ensuring fast and efficient global delivery.

With over 17 years of focused experience in producing Australian standard PEX pipe fittings, we serve more than 1000 cooperative clients across 30+ domestic and foreign regions.

Watermark Certified
17+ Years Expertise
Global Distribution
Fast Export Logistics

Our Product Range

High-quality, durable PEX pipes and fittings engineered to meet international standards. All products are designed for reliability, ease of installation, and long-term performance.

PEX Pipe

PEX Pipe

Cross-linked polyethylene pipes with Watermark certification. Ideal for hot and cold water systems, underfloor heating, and plumbing.

  • • Australian Standard Compliant
  • • High temperature resistance
  • • Corrosion & scale resistant
  • • Flexible & easy to install
Slide-On Fittings

Slide-On Fittings

Easy-to-install brass fittings that slide onto PEX tubing without crimping. Perfect for quick repairs and tight spaces.

  • • No crimping required
  • • Reusable design
  • • Leak-proof seal
  • • Compatible with standard tools
Crimp-On Fittings

Crimp-On Fittings

Durable brass crimp fittings for secure, long-lasting connections in residential and commercial plumbing.

  • • High-strength brass construction
  • • Crimp ring included
  • • Suitable for high pressure
  • • Corrosion resistant finish
Stainless Ring Crimp-On Fittings

Stainless Ring Crimp-On Fittings

Premium crimp fittings with stainless steel rings for enhanced durability and resistance to environmental factors.

  • • Stainless steel crimp ring
  • • Superior oxidation resistance
  • • Long service life
  • • Ideal for harsh conditions
PEX Couplings

PEX Couplings

Straight and reducing couplings for seamless pipe connections. Designed for minimal flow restriction.

  • • Full port design
  • • Smooth internal finish
  • • Available in multiple sizes
  • • Leak-tight performance
PEX Elbows

PEX Elbows (90° & 45°)

Precision-engineered elbows for directional changes in plumbing systems. Smooth bend reduces turbulence.

  • • 90° and 45° options
  • • Low pressure drop
  • • Easy alignment
  • • Compatible with all PEX types
PEX Tees

PEX Tees

T-shaped fittings for branching water lines. Ideal for manifold systems and distribution networks.

  • • Equal and reducing types
  • • Balanced flow design
  • • Reinforced joints
  • • Suitable for potable water
PEX Adapters

PEX Adapters

Transition fittings for connecting PEX to copper, CPVC, or threaded pipes. Ensures secure, mixed-material installations.

  • • Male & female thread options
  • • Brass or chrome finish
  • • Anti-leak design
  • • NSF certified materials

Why Choose RZPEX?

We combine quality, experience, and global reach to deliver reliable PEX solutions.

Watermark Certified

All PEX pipes meet Australian Watermark standards, ensuring safety and compliance for potable water systems.

17+ Years Expertise

Focused on PEX manufacturing since 2006, we bring deep technical knowledge and consistent product quality.

1000+ Clients

Trusted by contractors, distributors, and plumbing professionals in over 30 countries worldwide.

Fast Global Shipping

Strategic location near Ningbo Port enables efficient export logistics and timely delivery.

1000+
Cooperative Clients
30+
Countries & Regions
17+
Years of Experience

Frequently Asked Questions

Are your PEX pipes Watermark certified?

Yes, all our PEX pipes are Watermark certified and comply with Australian standards for plumbing and hot water systems.

What types of PEX fittings do you offer?

We manufacture Slide-On, Crimp-On, and Stainless Ring Crimp-On fittings, along with a full range of elbows, tees, couplings, and adapters.

Can I get samples before placing an order?

Yes, we offer sample kits for evaluation. Please contact us directly to request product samples.

Do you export internationally?

Yes, we export to over 30 countries. Our location near Ningbo Port ensures fast and reliable shipping worldwide.

What is the minimum order quantity (MOQ)?

MOQ varies by product. We accommodate both small trial orders and large-volume contracts. Contact us for details.

Get in Touch

Have questions or ready to place an order? Reach out to our team today.

Contact Information

Phone: +86 18758833630
Website: rzpex.com

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