Rojanapat Engineering – Professional Water Filtration Systems

ABOUT US

Since 2000, Rojanapat Engineering has specialized in the design, supply and installation of industrial filtration, water treatment and air filtration systems for a wide range of industries.

Our engineering team delivers customized and dependable solutions backed by long-term technical support to keep your operations running efficiently.

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25+YEARS OF EXPERIENCE
500+INDUSTRIES SERVED
1000+CUSTOMERS TRUST US
TECHNICAL SUPPORTYOU CAN RELY ON
KNOWLEDGE CENTER

KNOWLEDGE CENTER

Technical insights and expertise from our filtration engineering team.

ENGINEERING & SITE SERVICES

Professional engineering, installation, cleaning and maintenance services for industrial filtration and water treatment systems.

RO Membrane Replacement

RO Membrane Replacement

Professional membrane replacement for reliable industrial RO system performance.

RO Membrane Cleaning

RO Membrane Cleaning

Professional cleaning to restore performance and extend membrane service life.

Filter Media Replacement

Filter Media Replacement

Replacement of carbon, resin, anthracite, sand and industrial filter media.

RO System Installation

RO System Installation

Complete installation, commissioning and preparation of industrial RO systems.

Bag Filter Installation

Bag Filter Installation

Installation and replacement of industrial dust collector filter bags.

INDUSTRIES

Industries We Serve

Industrial Filtration Solutions

We provide filtration and water treatment solutions for a wide range of industries, supported by products and engineering services tailored to each production process.

Automotive & Spare Parts
Electronics
Food & Beverage
Chemical
Energy & Petroleum
Pharmaceutical & Optical
Plating
Power Plant
Steel & Metal
General Manufacturing

BECOME OUR DEALER

Dealer Application

Become Our Dealer

Join the ROJANAPAT dealer network

Join our authorized dealer network for premium RO membranes and industrial RO systems from 500 LPH.

Your information will be sent to ROJANAPAT Engineering for follow-up contact.

CONTACT & QUOTATION

Contact our team or continue to the full quotation form for a solution tailored to your industrial filtration requirements.

CONTACT

Contact our sales and engineering team for product information, technical consultation and after-sales support.

Contact Information

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QUOTATION

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Quotation Preparation

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ROJANAPAT

ISO 9001 Intertek UKAS Certified

© 2026 Rojanapat Engineering Co., Ltd. All rights reserved.

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