“Whenever water is a challenge, Contraflo is the answer.”

Your Flow, Our Mission

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About Us

PT Gunung Jaia Abadi (PT GJA) is a company specializing in industrial pump fabrication, mud contracting, and dewatering system consultant . Through our flagship brand, Contraflo, we provide reliable and efficient engineering solutions for the mining, construction, and waste management sectors.

At PT GJA, we go beyond supplying equipment—we deliver integrated systems. From pump selection and installation to ongoing maintenance, we serve as a strategic partner who understands field challenges and delivers practical, results-driven solutions.

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Our Products

We are industry specialists delivering robust and reliable dewatering and slurry solutions. Engineered for demanding environments—we ensure unmatched performance.

Pump Operation & Sales

Installation, commissioning, and maintenance of dewatering and slurry pumps to ensure optimal performance on site.

Sludge Contractor

Handling of mining sludge, sedimentation, and worksite drying using efficient methods that minimize operational disruption.​

Dewatering Consultant

Technical studies, system design, and tailored pump recommendations based on site conditions and project requirements.

This is where you find the perfect solution for every industrial need—from pumps to contracting and consulting. With us, your workflow runs smoother

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Our Contributions

Industries We Serve!

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⛏️ Mining, Oil & Gas

Robust slurry and dewatering solutions for open-pit and underground mining operations. Contraflo Pumps are built to withstand harsh environments and high solids.

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🚧 Construction

Reliable groundwater removal systems for excavation sites, tunnels, and infrastructure projects – keeping operations dry and safe.


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🌊 Wastewater Treatment

Efficient sludge and sediment transport solutions for industrial and municipal treatment facilities.


Gallery

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Your Dewatering Partner in the Field. We Are Experts!​

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