Wang Zhifei, construction director, engaged in ship repair and building for morethan 20 years, in 1999 Employment Qingdao Beihai, shipyard engaged in ship repairand building construction, in 2005 in japan for three years, in 2008 in Xixiakoushipyard engaged in ship repair, in charge of ship pipeline construction, to undertakea number of ships ballast water system reconstruction construction and desulfurization tower construction and installation, has a wealth of construction management experience.