Qingdao Blue Tresure Co.,Ltd is located in the west coast of Qingdao. We specialize in the Seaweed Extract,a kind of organic fertilizer,Which is extraced from the natural seaweeds without other additions. We produce the Seaweed Extract refined from the sargassum with high quality and good price .It can be widely applied to the crops, vegetables,gardens and so forth .Cling to the rule of your satisfying is our pursuit .We will glad to creat the prosperous future with you.