Wuhan East China Chemical CO.,Ltd is a development, processing, production and sales sodium lignosulphonate, calcium lignosulphonate, magnesium lignosulphonate and ammonium lignosulphonate series products, and professional production and sales ECCH "brand high molecular Run tube agent (concretepump pump tube lubricant), synthetic magnesium silicate adsorbent (polyether refined adsorbent), Sodium Naphthalene Formaldehyde sulphonate (superplasticizer), sodium gluconate and other fine chemical ...