Qingdao Ceres Agritech Co., Ltd.

COS (Chitosan Oligosaccharide) is a high-purity, enzymatically produced plant resistance inducer (plant vaccine) with optimized DP3-7 structure. It effectively boosts crop immunity, protects plants from fungal, bacterial and viral diseases, and promotes growth while enhancing stress tolerance and soil health. As a core biological control solution, it significantly reduces pesticide usage, making it the top choice for sustainable crop protection.

AOS (Alginate Oligosaccharide) is a high-purity, enzymatically produced alginate oligosaccharide pure product, serving as a high-bioactivity fertilizer synergist to boost crop performance & enhance stress resistance.

Ascophyllum nodosum /Ecklonia maxima /Laminaria Japonica
Our pure seaweed enzymatic extract, produced by low-temperature enzymatic hydrolysis of Ecklonia maxima, Ascophyllum nodosum and Laminaria japonica, is a 100% natural biostimulant with balanced bioactives to promote rooting, boost growth and enhance crop stress tolerance.

Seaweed Extract Powder/flake is derived from natural brown seaweed: Ascophyllum nodosum, Sargassum, Laminaria Japonica.
It is rich in alginic acid, trace mineral elements and natural plant hormones.