Since Ship Pollution Clean-up Agreement took effect at January 1st 2012, International Tanker Owners Pollution Federation (ITOPF), in response to the appeals from a great number of ship owners, has commenced on the technology assessment to the expense rates proposed by Pollution Clean-up Units. Tianjin Changpingxiang Ship Technical Services CO.,Ltd, Ltd, as the most important Pollution Clean-up Unit in the waters of Tianjin Port, for years has been devoted to the ideas “Protect marine environment and sincerely serve ship owners”. After 6 months communication and negotiation, our company passed the technology assessment of International Tanker Owners Pollution Federation (ITOPF) at Dec 20th, 2023, thereby ensured the expense rates of pollution clean-up of Tianjin Changpingxiang Ship Technical Services CO.,Ltd, Ltd consistent with those of Pollution Clean-up Units in other countries and regions of the world, and guaranteed the legitimate interests of the great number of ship owners.