WHO WE ARE
Weihai Shidai Marine Biotechnology Co.,Ltd is an agricultural science and technology enterprise which has been dedicated to research and development of kelp – a major type of brown algae since 1968. Based on its profound knowledge about kelp accumulated for many years, it got down to a new field from 2010.
 
To be specific, it began to produce fresh kelp puree with generations of extraordinary marine characteristics, natural biostimulants based on fresh kelp and a series of special functional fertilizers by extracting kelp using biological enzymolysis methods.
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Hectares Self-Suffcient Kelp Farming Base
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Sets of Production Equipment
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Years Seaweed Experience Since 1968
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Enzymolysis Extraction Rate
SEAWEED EXTRACT RAW MATERIAL PRODUCTS
SPECIALTY FORMULA PRODUCTS
WHY SHIDAI MARINE
Raw Material Advantage
We use the freshest Laminaria Japonica Kelp as raw material. SHIDAI MARINE owns 1000 hectares self-sufficient kelp farming base with 200,000 tons annual output of fresh kelp. It takes less than 30 minutes from the kelp being harvested to transported to factory.
Technology Advantage
We use our patented Spiral Micro Cutting Physical Breaking Technology and Enzymatic Hydrolysis Technology to degrade fresh kelp to micromolecule nutrients. To extract the natural plant hormones and other active substances in kelp cells and to produce pure kelp protoplasm.
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Industry Chain Advantage
We have the whole kelp industry chain which includes kelp seedlings, kelp farming, kelp extracting, seaweed R&D center and sales team. The products supply will be sufficient and stable.
Service 
Advantage
Prompt response, professional pre-sales consulting, providing customized specialty fertilizer formulation, sample express, and comprehensive product analysis.
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SHIDAI BLOG
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2022-05-27
Shidai Marine Participated In The 28th Shandong Plant Protection Exchange And Fair

Shandong Plant Protection Information Exchange and Pesticide’s Appliances Fair (referred to as "Shandong Plant Protection Exchange and Fair") has been successfully held for 27 sessions, and now it has become the "Annual Purchasing Conference of China's Agrochemical Industry". The 28th Shandong Plant

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2022-05-27
Shidai Marine & Pices-ices Ocean Negative Carbon Emission (once) Official Seminar

Shidai Marine & Pices-ices Ocean Negative Carbon Emission (once) Official Seminar

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2022-05-27
Shidai Marine Was Awarded The United States Invention Patent!

The international invention patent, A Compound Microbial Enzyme and the Method of Preparing Plant Nutrient Solution and Fertilizer Synergist with this Compound Microbial Enzyme, declared by Shidai Marine obtained the authorization of the U.S. invention patent, which is the first international invent

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