The Dahan QTZ230 (PT7020) is a robust 12 t flat‑top tower crane featuring a modular 35–70 m jib, delivering a 2 t tip load at full outreach. Powered by frequency‑controlled hoist, trolley, and slewing drives, it provides smooth and precise lifting operations. Engineered with robot‑welded Q345B steel and premium components (Siemens/Schneider/Rothe‑Erde), it ensures structural safety and reliability. With a free‑standing height of ~63 m, extendable to ~228 m via tie‑ins, it adapts to both mid-rise and high-rise demands. The PT7020 also boasts an automated production line, high‑precision structural design, and modular upper‑works optimized for tight multi‑crane sites. Certified CE/ISO and supported by global after‑sales, it’s a reliable, high‑performance choice for urban, infrastructure, and industrial construction projects.