Tianjin Yiyang Shipping Engineering Co., Ltd. was established in August 2010, Authorized by  Industrial and Commercial administrative departments, transportation, and by the Tianjin Port Authority, Maritime Safety Administration of Tianjin, Tianjin Entry-Exit Frontier Inspection Station, Tianjin Customs and other relevant administrative licensing record specializing in ship tank cleaning, discharge oily water and sludge by receiving barge, also cleaning of lar...