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Chaoyang,Beijing,Beijing,China China
Potassium Humate is natural and high quality leonardite . We have adopted the latest modern extraction technol
It can be applicable to wide use.It can meliorate resistance of plants to stress, such as cold , disease , rai
Potassium Humate is a high polymer heterogeneous aromatic hydronxyl carboxylic acid salt. It is black powder s
連絡先担当者 damin xiao
住所 Chaoyang, Beijing, Beijing
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