| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chem | Industrial Grade | MT | 812.62 | USD | 20251201 |
| Hunan JinyuChem | China national standards | MT | 805.55 | USD | 20251201 |
| Jinan Aochen Chem | China national standards | MT | 1017.54 | USD | 20251201 |
| Shandong Wells Chem | China national standards | MT | 1031.67 | USD | 20251201 |
| Shandong Wells Chem | China national standards | MT | 1017.54 | USD | 20251201 |
| Shinghwa AdvMat | China national standards | MT | 904.48 | USD | 20251201 |
| Nanjing Baitu Chem | China national standards | MT | 819.68 | USD | 20251201 |
| Nanjing Baitu Chem | China national standards | MT | 904.48 | USD | 20251201 |
| Tongling Jintai Chem | China national standards | MT | 805.55 | USD | 20251201 |
| Shandong Wells Chem | China national standards | MT | 805.55 | USD | 20251201 |