Qingdao HIWOSS Group

Leading manufacturer of seaweed extract fertilizer, chitosan fertilizer and fish protein fertilizer.
Our company has 19 + years experiences in marine bioproduct and green organic agriculture industry. Focusing on the research and development, production and sales of alginate series seaweed fertilizers, chitin fertilizers, and feed additives, the group has obtained more than 15 registration certificates for fertilizers from the Ministry of Agriculture and exported to 80+ contries overseas.