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Advanced Water Treatment Solutions

Qihuan International Trade Co., Ltd. delivers high-performance industrial water purification systems, reverse osmosis units, and environmental protection equipment trusted by clients worldwide.

Water Treatment Plant
Factory and Engineering Team

About Qihuan Group

Qihuan International Trade Co., Ltd. is a professional manufacturer and exporter specializing in water treatment equipment and environmental engineering solutions. With years of experience, we provide customized systems for industrial, commercial, and municipal applications.

Our product line includes reverse osmosis (RO) systems, ultrafiltration units, softening systems, and integrated water purification plants. We serve industries such as food & beverage, pharmaceuticals, electronics, power generation, and more.

50+

Countries Served

15+

Years Experience

Our Core Products

Discover our range of high-efficiency water treatment systems designed for reliability, scalability, and long-term performance.

Reverse Osmosis System

Industrial RO System

High-pressure reverse osmosis units for desalination and purification of brackish or seawater.

  • Capacity: 0.5 – 100 TPH
  • Rejection Rate: ≥ 98%
  • Applications: Drinking water, boiler feed, process water
Ultrafiltration System

Ultrafiltration (UF) System

Membrane-based filtration for removing colloids, bacteria, and suspended solids.

  • Pore Size: 0.01 – 0.1 μm
  • Flow Rate: 1 – 50 m³/h
  • Low energy consumption, high durability
Water Softener

Automatic Water Softener

Ion exchange systems to reduce water hardness and prevent scale formation.

  • Resin Type: Cation exchange
  • Regeneration: Salt-based automatic
  • Ideal for boilers and cooling towers
Multi-Media Filter

Multi-Media Filter

Pre-treatment filtration using layers of anthracite, sand, and gravel.

  • Removes turbidity and suspended particles
  • Diameter: 300 – 2000 mm
  • Backwash control: PLC or manual
RO + EDI System

RO + EDI Pure Water System

Combined reverse osmosis and electrodeionization for ultrapure water.

  • Conductivity: < 0.1 μS/cm
  • Used in labs, pharmaceuticals, electronics
  • Continuous operation, no chemical regeneration
Demineralization Plant

Mixed Bed Demineralizer

Two-bed or mixed bed ion exchange system for complete deionization.

  • Removes all ions for high resistivity water
  • Resin regeneration with acid & alkali
  • Suitable for power plant condensate polishing
Ozone Water Treatment

Ozone Disinfection System

Chemical-free disinfection using ozone gas for microbial control.

  • Effective against bacteria, viruses, and cysts
  • No residual taste or odor
  • Used in bottled water and food processing
Wastewater Treatment

Industrial Wastewater Plant

Complete treatment systems for effluent recycling and zero liquid discharge.

  • Includes biological, chemical, and membrane processes
  • Customized for textile, chemical, and metal industries
  • Meets local discharge standards

Why Choose Qihuan?

We combine advanced engineering, strict quality control, and global support to deliver reliable water solutions.

1

Global Export

Products exported to over 50 countries with local technical support.

2

Custom Design

Tailored systems based on feed water quality and production needs.

3

CE & ISO Certified

Compliant with international standards for safety and performance.

4

After-Sales Support

Installation guidance, training, and spare parts supply available.

1500+

Projects Completed

50+

Countries

98%

Customer Satisfaction

24/7

Support Availability

Frequently Asked Questions

What types of water sources can your systems treat?

Our systems are designed to treat municipal water, groundwater, brackish water, seawater, and industrial wastewater.

Do you offer turnkey solutions?

Yes, we provide complete turnkey projects including design, manufacturing, installation, and commissioning.

Can you customize systems for specific flow rates?

Absolutely. We engineer systems from 0.1 TPH to over 500 TPH based on client requirements.

What certifications do your products have?

Our equipment meets CE, ISO 9001, and other international quality and safety standards.

Get in Touch

For inquiries, quotes, or technical support, please visit the official Qihuan Group website.

Qihuan Group QR Code

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