Welcome to Presafer (Qingyuan ) Phosphor Chemical Company Limited. We research, produce and distribute environmentally friendly halogen free flame retardants. Main products include PreniphorTM series, NitrophorTM series and PhonitonTM series.Our mission is to create environmentally friendly chemical products with technology, help society and nature develop harmoniously. It enables us to research and develop new halogen free flame retardant more creatively. Phosphorus and nitrogen are main base raw materials for Presafer's products but not limited to. Presafer supply customer with high efficient , advanced and stable enviromentally friendly halogen free flame retardant, and offer professional advice and effective solutions for applications of flame retardants in each field. After years of unremitting efforts, products of Presafer are well recognized in the market.