... rock. 2.We adapt to advanced technology during the production processes. Feed-grade TCP (Mineral production)1.Production standards:HG2636- ... dissolved in dilute hydrochloric acid, nitric acid. Products using the advanced international standards of production,Content:P≥18%Ca≥30 ... .0 mm,2.0-4.0mm, Granular granulator for the disc,The Company ISO9001: 2000 quality system certification, Permit No. ...