... Hydrochloric Acid Making Phosphoric acid, solid fertilizer DAP and MAP, SPA Equipment and tech for phosphoric acidWet process to make phosphoric ... Hydrochloric AcidMaking black Phosphoric acid solution, and then concentrated to making solid fertilizer DAP and MAP, SPAPurified to make liquid fertililizer ... to technical-grade acid for various industrical market. Phosphoric acid plant and tech service