Laiwu Yinghua Chemical Co., Ltd, is a professional manufacturer and exporter of water reducing agent in China.Our main prodcuts are:Naphithalene-based series high efficiency water reducing agent FDN-A, FDN-AI, FDN-AII;Polycarboxylate-based series;aliphatic superplasticizer;sulphamate superplasticizer and others superplasticizer.You are welcome to our website and if any of the products interested you, please feel free to contact us.