PLD-the plastic flame retardant expert is an enterprise that firstly researches the plastic flame retardant technology in China. In 2001, with the approval of Scientific and Technological Office of Hebei Province, the management committee of Shi Jiazhuang Country High-tech Industry Development Zone, and Cihang Technology Zone of Hebei Province, PLD is established and listed in the most-supported enterprises in High-tech Industry Development Zone. Till now, we have taken charge of many national technology projects successfully. For years, we bend ourselves to researching, developing, producing and selling the flame retardant for engineering plastics, flame retardant master-batch, flame retardant & antistatic master-batch, functional master-batch, nanometer flame retardant master-batch. ..