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Changsha Zheng Li Biological Technology Co., Ltd specializes in the production of organic humic acids with 3 factories/production plants occupying more than 90,000 square meters. In addition, our humic acid output reaches more than 100,000 tons per year. Our factories are ISO9001:2015 certified and inspected by ITS, SGS, v.v. Please contact us.
Changsha Zheng Li Biological Technology Co., Ltd specializes in the production of organic humic acids with 3 factories/production plants occupying more than 90,000 square meters. In addition, our humic acid output reaches more than 100,000 tons per year. Our factories are ISO9001:2015 certified and inspected by ITS, SGS, v.v. Please contact us. Changsha Zheng Li Biological Technology Co., Ltd chuyên sản xuất axit humic hữu cơ với 3 nhà máy sản xuất có diện tích lên đến 90.000 mét vuông. Ngoài ra, sản lượng axit humic của chúng tôi đạt hơn 100.000 tấn mỗi năm. C...