HUBEI AGING CHEMICAL CO.,LTD, is one of the largest manufacturers in Middle China. Our main products are as follows: Lignosulphonate: Sodium lignosulphonate(MN-1, MN-2, MN-3), Calcium lignosulphonate (MG-1, MG-2, MG-3) Used as concrete admixture in construction, ceramic tiles additive, textile dye chem auxiliaries, water reducing agent, oil drilling additive, refractory additive for steel Sodium Naphthalene Sulphonate Formaldehyde(SNF): SNF-A, SNF-B, SNF-C Used as dispersing agent, super plasticizer, high range water reducing agent in construction field, concrete admixtures Polycarboxylate Superplasticizer Used as high range water reducing agent and superplasticizer in concrete