aiming at solving the problems of foundry enterprises in the production process, for example, inaccurate batch feeding, excessive loss, environmental pollution and so on. On the premise of maintaining the good performance of normal ferro phosphorus, Huijin adopted a special technology of three screening and three selecting sessions, which makes product content more stable, purity higher and operation more convenient. HJ Energy-saving Ferro Phosphorus are widely used in precise casting field, such as electrolytic aluminium factory, roller factory, cylinder liner factory, piston ring factory, etc.