| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.35 | USD | 20251024 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.35 | USD | 20251024 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.43 | USD | 20251023 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.43 | USD | 20251023 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.12 | USD | 20251022 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.12 | USD | 20251022 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.33 | USD | 20251021 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 620.33 | USD | 20251021 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.95 | USD | 20251020 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 619.95 | USD | 20251020 |