On April 25 th ,2013 and based on equality and mutual benefit & common development principles, two parties represented by Mr.Li Mingdong, the Chairman of Yangfan Group co., LTD, and Cao Xueliang ,the CEO of Qingdao Headway Technology co., LTD ., have duly signed a Strategic Cooperation Agreement .On the signing ceremony both sides have discussed the current situation and development of ship market. Through friendly negotiations, parties agreed to further long-term good coordination on ship ballast water treatment system, technical support, service, spare parts and other fields.