China National Building Materials(Group) Corporation(CNBM), which is established in 1984, is one of largest state-owned corporation of building & mechanical materials with total assets of USD 60 billion and a total staff of 140,000. CNBM now owns 300 subsidiary companies of solely owned and joint-venture companies, 6 publicly listed companies in which CNBM has a controlling percentage of shares;20publicly listed companies in which CNBM has a substantial percentage of shares. CNBM International Corporation, as one leading subsidiary of CNBM Group, specializes in concrete admixtures,Our main exporting product as follows: 1. Lignosulphonate : sodium lignosulphonate ,calcium lignosulphonate ,Ferrochrome lignosulphonate ,Chrome free lignosulphonate . 2. sodium gluconate Industrial grade (SG-98% ,SG-99%) 3. Sodium Naphthalene Sulphonate Formaldehyde (SNF): (sodium sulphonate ≤5%;≤10%;≤18%), 4. Polycarboxylate Superplasticizer.