Water and Wastewater Treatment


Comin Asia’s plumbing system started more than 20 years ago. Combining design, engineering, procurement, installation, testing and commissioning, we enjoy a reputation for leadership in the region with regard to the reliability and quality of our products and services.

For more specific expertise, Comin Asia teams up with the best specialists and is able to make a global offer where quality, safety and performance are the driving forces. Our projects in various sectors, spanning from hotels, resorts and offices to residential, industrial, education, health, environmental, power, transport, institutional and retail sectors.


• Cold and hot water production and distribution
• Sewage water and pumping system
• Storm water and pumping system
• Water treatment plant installation and piping works
• Waste water treatment plant installation and piping works
• Equipment installation and water treatment for swimming pools
• LPG/Gas systems

why us?

Comin Asia has built an advanced know-how to install and select for plumbing equipment. Also, with great technical capabilities, our technical engineers ensure the selection and installation, distribution and testing equipment either from local or international suppliers for cost-effective implementations.

Enjoying a strong local presence, Comin Asia stays in close touch with its clients, guaranteeing an optimal level of service and providing technical assistance and after-sales service. Comin Asia is able to offer one-stop shop solutions for plumbing components and run full turnkey projects.

Get In Touch


  • Clean Energy

    We provide renewable energy solutions including photovoltaic solar systems, solar water heating, solar pumping, solar water purification, wind turbines, hydro-electrical and biomass/biogas solutions for urban and remote areas in Cambodia.


  • feature image_Energy Efficiency Engineering_1200x800

    Energy Efficiency Solutions

    Solar & Energy saving lights; Solar water heaters; Solar pumping solutions; Water purification processes; Back-up systems without genset, Wind turbines; Hydro-electrical solutions; Biomass; Biofuels; photovoltaic systems, Voltage optimization Lift &…


  • Air Conditioning and Refrigeration Engineering

    Comin Asia’s HVAC Engineering started more than 20 years ago. Combining engineering, procurement, installation, testing, commissioning and after-sales service for Air Conditioning and Ventilation, we enjoy a reputation for leadership…