| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1870.45 | USD | 20250922 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1869.87 | USD | 20250920 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 885.73 | USD | 20250919 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1869.87 | USD | 20250919 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 886.26 | USD | 20250918 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1871.0 | USD | 20250918 |