"Fat Old Man" seaweed fertilizer is a designated promotion product of Shandong Xinghuo Technology and a national agricultural technology promotion product of the Ministry of Agriculture of China. "Fat Old Man" seaweed fertilizer series products are high-tech products produced and operated by Qingdao Shenlan Agricultural Technology Co., Ltd. using U.S. patented technology (U.S. Patent No.: CN1269339A). This series of products are added with seaweed extracts, humates and nutrients extracted using advanced cell separation technology, maximizing the retention of nutrients and active substances in seaweed, thus making the products ideal for crop applications. Effect.