| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 987.58 | USD | 20251101 |
| Shandong Jiaen Chem | China national standards | MT | 1180.87 | USD | 20251101 |
| Shandong Jinling Chem | China national standards | MT | 987.58 | USD | 20251101 |
| Shandong Yihe Chem | China national standards | MT | 987.58 | USD | 20251031 |
| Shandong Yihe Chem | China national standards | MT | 1058.13 | USD | 20251031 |
| Shinghwa AdvMat | China national standards | MT | 1227.43 | USD | 20251031 |
| Shandong Jinling Chem | China national standards | MT | 1382.62 | USD | 20251031 |
| Jinan Pulaihua Chem | China national standards | MT | 1269.75 | USD | 20251031 |
| Jinan Pulaihua Chem | China national standards | MT | 1340.29 | USD | 20251031 |
| Befar | China national standards | MT | 1340.29 | USD | 20251031 |