The Haiwu liquid-cooling single-row micro-module is rack-based and designed for high-density computing in small to mid-sized data centers. It integrates IT racks, PDUs, containment components, cooling units, cabling, and integrated O&M into one independent module for a complete data center solution. Power is delivered through precision power distribution cabinet and intelligent busbar systems; variable-frequency in-row air conditioners handle air-side cooling, and CDUs manage liquid-side cooling. All components are factory-assembled and tested, facilitating easy disassembly and relocation. This setup both saves computer room space and allows flexible expansion, realizing rapid on-site deployment in batch and delivering a green, high power density solution with PUE ≤ 1.15.