* Combined manganese sand and activated carbon filters deliver 500 m³/day of treated groundwater. * A custom multi-media filtration system has been commissioned at a municipal waterworks in Dezhou to treat groundwater with elevated iron and manganese...

Choosing the wrong sludge dewatering equipment will only lead to regret. With years of experience in screw presses, we have seen many cases where enterprises bought cheap products that broke down within half a year. Today, we clarify the core keys to...

The Proven Benefits of Nanobubbles Nanobubbles measure 70 to 120 nanometers in diameter, approximately 2,500 times smaller than a single grain of salt. They can be generated with any type of gas and infused into virtually any liquid. Owing to their u...

Holly Group, a trusted name in industrial filtration solutions, is proud to introduce its latest innovation – the CFT/CFH Industrial Filter Series . Designed with a fully welded, heavy-duty construction, the new series delivers exceptional reliabili...

Kuala Lumpur, Malaysia | April 2026 — Holly Group successfully participated in the ASIAWATER 2026 exhibition in Kuala Lumpur, Malaysia , showcasing its latest wastewater treatment equipment and solutions . At the event, Holly Group presented key p...