... CCS)Supervision,Inspection and certification of the factory,and to produce,manufacture.Consistent with the Nippon Kaiji Kyokai(NK ... specifications.Our company produced marine centrifugal,axial fan,explosion-proof fan to reach more than 30varieties,more than ... petrochemical industry,machinery and construction.Qingdao Yongjian Marine Machinery Manufacture Co., Ltd.Will be “good market reputation,quality ...