Gold Member Since 2009
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Qingdao Seawin Biotech Group Co., Ltd.

Seaweed Fertilizer manufacturer / supplier in China, offering Seawinner I Seaweed Fertilizer, Seaweed Extract Powder/Flake Fertilizer (Seaweed Extract Powder / Flake), Seaweed Extract Fertilizer of Amino Acid (Seaweed Amino) and so on.

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Supplier Homepage Product Seaweed Functional Fertilizer Seawinner I Seaweed Fertilizer

Seawinner I Seaweed Fertilizer

FOB Price: Get Latest Price
Min. Order: 2,000 L
Port: Qingdao, China
Production Capacity: 600mt/Month
Payment Terms: L/C, T/T

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Basic Info
  • Model NO.: Seawinner I
  • Application: Vegetables, Flowers, Fruit
  • Infection on Soil: Physiological Neutral
  • Release Type: Quick
  • Trademark: Seawinner
  • Specification: Seawinner I
  • Certification: ISO, CE
  • Appearance: Liquid
  • Chemical Character: Chemical Neutral
  • Solubility: 100% Soluble
  • Transport Package: 100ml, 250ml, 500ml, 1L, 4L, 5L, 10L
  • Origin: China
Product Description
Seawinner I

Product feature: Brown liquid, pH: 3-5, specific gravity: 1.05-1.1

Main ingredient: 
Chitosan oligosaccharide10g/L

1. Kill and prevent bacteria, fungi, virus, such as downy mildew, gray mildew, fusarium wilt, blight, anthracnose, powdery mildew, leaf spot, bacterial soft rot, mosaic and so on.
2. Has strong and stable effect, long lasting bactericidal power, no toxic residue.
3. Promote plant growth, improve crop quality, increase yield.

1. To prevent: Diluted by 1:1000-1200, foliar spray at intervals of 10-15 days.
2. To remedy: Diluted by 1:500-800, foliar spray 3 times continuously at intervals of 5-7 days (spray at intervals of 3-5 days for virus disease).

  1. Do not contact with metal.
  2. Do not mix it with reducer, strong oxidant or alkaline products.
  3. Wear eyepatch and latex gloves when applying this product, to avoid any body harm. In case touch with the liquid, neutralize the liquid by soda and Na2SO3 (Sodium Sulfite), then wash skin with plenty of water.
  4. Do not use on Leguminous plants.
Validity: Two years

Packing: 100ml, 500ml, 1L, 5L


Samples: Free sample ≤ 500g available upon request.

Price: Upon request. 

Registration support: Available.

Field demonstration: Upon request.


Qingdao Seawin Biotech Group Co., Ltd. is enjoying No.1 Market Share of China in the field of seaweed fertilizer.

Seawinner I Seaweed Fertilizer

Seawinner I Seaweed Fertilizer

Seawinner I Seaweed Fertilizer

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Ms. Suny Shang
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