Who We Are.

Seawin Biotech Group entered the Australian Market in 2017 by establishing a local subsidiary.Seawin pride its self on Technical knowledge and hands on experience.

2021 Seawin Biotech Aus handed exclusive distribution over to  Prodoz International

insuring Seawin brand continues to grow.

Prodoz Int bring local agronomists with extensive crop knowledge and an sustainable focus on nutrition, with the R&D support from Head Office the Seawin Brand answers all your nutrition requirements.

Seawin Biotech Australia is a subsidiary of Seawin Biotech Group, the largest producer of seaweed-based fertilisers in Asia. 

Tour our Head Quarters from this video.

We are proud of our R&D strength

Supported by The Ocean University of China

Seawin employed more than 100 post graduates to set up our enterprise technological center, and engaged 7 doctoral tutors from The Ocean University of China to ensure advanced science support. We also keep close cooperation with universities, research institutes and trial sites in different provinces to guarantee that our products are approved by science and field tests.

Proprietary Technology

Multistep Enzymatic Processing Technology

Patented Molecular Screening Technology

Multiple Rewards

"organic allowed input" cert 19013 Certication by SXC 2019 Seawin Australia


"Organic Products" Certified by IMO from Swizerland Certified with ISO9001:2000(Quality)

ISO14001:2004(Environment) China National Hi-Tech Industrial Enterprise Horticultural Fertilizer Class


Exclusive Supplier of the International Horticultural Expo in Qingdao, 2014

IMG_8781 (2).JPG


Seawin harvests the raw materials using our own vessels named 'Seawinner I' and 'Seawinner II' to ensure a uniform age and size of the raw material such as seaweed, oyster shells or fish protein used in the manufacturing process. This results in products that are consistent in their activity levels and the crop benefits of the end products. Once the harvested raw material are onshore, they are immediately transferred to the Seawin's production facility to ensure the quality of fresh raw material for dewatering and further processing.


As a manufacturer, Seawin owns two production bases in Qingdao and Weihai with total annual production capacity of more than 650,000 Tons, producing seaweed based fertiliser and biological based fertiliser respectively. Our seaweed fertiliser production base, covering an area of more than 20 hectare, is located in Qingdao Jiaozhou Bay Industrial Zone. In 2007, our production base was approved by ISO9001 and ISO14001. 


Worldwide Distribution

Seawin is now a reputable brand name among our domestic and overseas customers, as our products are benefiting farmers, growers, gardeners all over the world. In the world market,we have exported our products to more than 50 countries include USA, Canada, Peru, Spain, Nederland, Italy, Turkey, Lebanon, India, Thailand, Korea, and Singapore etc. On the domestic market, our distributors have covered almost all provinces in China.

Company Profile

SEAWIN BIOTECH GROUP established on August 18th 2000, is a new & high-tech enterprise with registered capital RMB 132 million (Around 26 million AUD) and total asset RMB 260 million (Around 50 million of AUD). Our main business scope is research, development, production, marketing, and technology industrialization in the field of ocean biological resources. We employed more than 100 post graduates to set up our enterprise's R&D center, and engaged 7 doctoral tutors from Ocean University of China to ensure advanced science support and guarantee our products are proved by science and field test. With over 100 patents in hand, we are granted Hi-tech Industrial Enterprise by the Chinese government. Seawin is also advanced in offshore platform for harvesting and processing of Seaweed. With two production bases in Qingdao and Weihai, Seawin has total annual production capacity of more than 650,000 Tons, producing seaweed fertilizer and biological fertilizer respectively.