25-12mm mbbr carriers k3 bio media packing for waste water treatment

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25-12mm mbbr carriers k3 bio media packing for waste water treatment

Manufacturer Directory – Suppliers, Manufacturers 7 YRS Pingxiang Zhongying Packing Co., Ltd. Trade Assurance. China (Mainland) | Trading Company. Transaction Level: Supplier Assessments: k1 & k3 bio media for waste water treatment film carrier mbbr K1 & K3 Bio Media …