| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 988.85 | USD | 20251128 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 974.63 | USD | 20251126 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 974.63 | USD | 20251126 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 960.1 | USD | 20251125 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 960.1 | USD | 20251125 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 959.81 | USD | 20251124 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 959.81 | USD | 20251124 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 959.44 | USD | 20251121 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 959.44 | USD | 20251121 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 959.03 | USD | 20251120 |