... of steel production, etc. (8), Paper industry :Pulp manufacturing, etc. (9), Food industry :Disinfectant, etc. (10), Poultry industry:Silage, etc.3.Packing:Packing:P ... . (2). Quality control, before shipment, free sample for test. After shipment, keep sample for 3 years(3). Prompt shipment with professional documents ...