QINGDAO FENGRUN SEAWEED CO.,LTD. was established in 2001 with the original Qingdao Laoshan Wanggezhuang Chemicals Factory as the core enterprise. The main products are sodium alginate,iodine and mannitol with the annual production capacities.All the product reached the ISO9002 standard.The company produces series of fuel products as by-product and engages in sea farming concurrently. The product Sodium alginate is now sold to more than twenty provinces,cities and areas.And wel-known in the wor...