In this series, there are 6 CTVs totally. The 19.99m vessels are with 8.4m beam moudled and 2.8 meters depth moudled. This series are high-speed displacement-type vessels with two FPP and double rudders. With 12 passenger capacity, the design speed is more than 16 knots.  The series has good seaworthiness and seakeeping and it will be mainly used for daily operation and maintenance of offshore wind farms in Fujian and Guangdong coastal areas after delievered.