![Z-Tech 6000 tug PSA Nebula. [Photo: Robert Allan Ltd.]](https://www.marinelog.com/wp-content/uploads/2026/04/TopSea-trial-3-300x225.jpg)
Cheoy Lee completes 16-tug Z-Tech 6000 series
In 2024, Cheoy Lee Shipyards of Hong Kong delivered the first boat of Robert Allan Ltd.’s Z-Tech 6000 design, the PSA Gemini, to PSA Marine of Singapore. Less than two years later
shipyard.
In 2024, Cheoy Lee Shipyards of Hong Kong delivered the first boat of Robert Allan Ltd.’s Z-Tech 6000 design, the PSA Gemini, to PSA Marine of Singapore. Less than two years later