| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 903.11 | USD | 20251111 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 903.24 | USD | 20251110 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 818.56 | USD | 20251110 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 818.79 | USD | 20251107 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 903.5 | USD | 20251107 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 902.67 | USD | 20251105 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 818.04 | USD | 20251105 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 818.23 | USD | 20251104 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 902.87 | USD | 20251104 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 903.1 | USD | 20251103 |