... %max0.3PH1.6-2.0 USE:It is used as fertilizer and feed. Used as a high quality additive , Used ... as a high quality acid NP compound fertilizer with ureic nitrogen. It is suitable for alkaline soil.Company ... chemicals, and we currentlyservice globally the detergent, industrial & institutional cleaning,agriculture industry, water treatment, food processing, leather treatment, pulp& paper, ...