HOLLO

HOLLO Institute · One-Stop Clean Energy Service

Advanced energy innovation for efficient, clean and sustainable development

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KRANTZ

High-Grade Air Safety — KRANTZ, a Century-Old German Brand

Biosafety airtight valves + HEPA filtration + precise airflow engineering for BSL-3/4 laboratories

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Innovation-Driven

Innovative Energy Technology for a Greener Future

Deep commitment to clean energy innovation, leading industry's green upgrade

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Business

Three Business Pillars, Full Coverage

Emissions Control & Energy Recovery · High-Grade Air Safety · Distributed Smart Energy

Emissions Control & Energy Recovery

SMARTO combines RTO regenerative and TO thermal oxidation for industrial VOC abatement with ≥99% efficiency, cascading heat recovery from -200°C chilled water to +700°C steam.

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High-Grade Air Safety — KRANTZ, a Century-Old German Brand

140 years of German air technology — biosafety airtight valves + HEPA filtration + precise directional airflow engineering, focused on BSL-3/4 laboratories and nuclear-grade environmental safety.

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Distributed Smart Energy

Microturbine CCHP + CO₂ supercritical power generation + smart storage microgrid + VPP — an integrated smart energy hub spanning data-centre liquid cooling, heat recovery, peak shaving and frequency regulation.

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