| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 1019.6 | USD | 20250922 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 759.43 | USD | 20250922 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 2151.72 | USD | 20250922 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 843.81 | USD | 20250922 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 759.19 | USD | 20250920 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 1019.29 | USD | 20250920 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 2151.05 | USD | 20250920 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 2151.05 | USD | 20250919 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 843.55 | USD | 20250919 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 1019.29 | USD | 20250919 |