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        On August 19, 2012, one 6900Hp ASD tugboat- “Caogang 18" built by Jiangsu Zhenjiang Shipyard Group Co., ltd for Tangshan port Caofeidian tugboat Co., ltd was delivered from yard and started its sailing smoothly. This tugboat is at present with highest horsepower being used in China market. Mr. Wang Zhongmin, the General Manger and vice GM Liu Shuyin from Tangshan Caofeidian port affairs co., ltd, Mr. Hou Shouzhu the GM and vice GM Gaojun from Tangshan port Caofeidian tugboat co., ltd specilly come to zhenjiang shipyard and attended sailing cerempony.