In 2024, Cheoy Lee Shipyards of Hong Kong delivered the first boat of Robert Allan Ltd.’s new Z-Tech 6000 design, the PSA Gemini, to PSA Marine of Singapore. Less than two years later the 16th and final boat of that contract, the PSA Nebula…<p><p>https://www.marinelink.com/news/psa-marine-receives-th-ztech-tug-538197</p></p>