Flame retardant technology has advanced with the needs of the world. In today's world, people not only seek flame retardant effects, but also attach importance to environmental protection and purity. Nanjing Liwei Chemical has observed this trend and has been deeply engaged in the new path of phosphorus flame retardants, integrating green concepts into formulas, exploring the balance between high performance and low pollution, hoping to respond to changes in the industry with innovation and lead the new direction of flame retardant materials.