20 years of devoted research and development of accumulation on the purification and industrialization of double seaweed: Laminaria and Enteromorpha, by the team of 80 plus highly experienced professionals majoring in the related fields, mostly with master and doctor diplomas, Seawinner is still on the way to improve the latest technique & know-how to make our refinements produce purer and more efficient consequently, as always.

Wanna join us in the surgent pursue to make better use of the seaweed then utilize your R&D findings to support the whole world with higher organic yields and a better life? Just give us a call, Seawinner will take over the rest. 


Quality Resources


Organized Laboratories




Reassuring Logistics

Seawinner Products

We mount enormous efforts in the harvest of seaweed and other ocean materials, research & development, purification & industrialization, formulation & field test verification, technique reserve and projects advanced research, customerization and delivery, marketing and technical support to customers globally, with only one solemn objective purpose: to extract the most effective elements from seaweed to benefit the growth and yields of this blue planet, and you. 



Qingdao Seawin Biotech Group Co., Ltd.

1 Academician Workstation

1 Strong R&D team with dozen doctors and dozens of masters, more than

   80 people totally

3 Harvest Ships, can handle 22000mts of fresh seaweed at a same time

4 Factories with more than 660 thousand mts of annual capacity

8 Series of Products

100+ National Patents

200+ Formulas


OIC: Anna Song

Tel.: +86-532-85901608   Fax: +86-532-85902228

E-mail: sales@coub.cn



No.127 Huizhiqiao Rd., High-tech Industrial Development Zone,

Qingdao, Shandong, China

Production base:

NO.1: No.15, Yunxi Rd., Jiaozhou Bay Industrial Zone, Qingdao, China
NO.2: No.799 Chunyang Road, High-tech Industrial Development Zone,
          Qingdao, Shandong, China

NO.3:Golden Bay Industrial Zone, Rushan, Weihai, China

NO.4: Lidao Industrial Park, Rongcheng, Weihai, China

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