Qingdao Superlong Imp. & Exp. Trade Co., Ltd. is located in Qingdao Free Trade Zone-a lively area for economy and trading-nearby to Qingdao port which has convenient communications. It has a large hinterland of the valley of Huanghe and faces oversea market. Our corporation has resource with convenient communications. Our company is an enterprise with breeding precious species, processing sea-food and other trades into one. And we have some cooperative factories, such as Zhoushan Industrial ...