Shandong Wanshan Chemical Group Since 2004, Specilize in Concrete Water reducing agent/Admixture/suplerplasticizer FDN/SNF/PNS Poly Sodium Naphthalene Sulphonate Formaldehyde; S/G Sodium Gluconate.
SOLIDES NON GRAS Superplasticizer--Formaldéhyde de sulfonate de naphtalène de sodium, FDN Superplasticizer--Formaldéhyde de sulfonate de naphtalène de sodium