Puyang hongxin chemical co.,ltd. is a comprehensive group corporation combined with scientific, industrial and trading sectors, located in the chemical industry city-puyang, where there is zhougyuan oilfield, which has the advantage in the high quality and rich chemical materia. relying on the advanced technology and rich chemical resources, we mainly produce sodium formate, dipentaerythritol, tech-pentaerythritol, melamine, thiourea dioxide (tdo), petroleum hydrocarbo resin and hydrogen pero