| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 551.17 | USD | 20251201 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1130.6 | USD | 20251201 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 437.92 | USD | 20251129 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 550.93 | USD | 20251129 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251129 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 550.93 | USD | 20251128 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251128 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 437.92 | USD | 20251128 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 90% | MT | 551.01 | USD | 20251127 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1130.28 | USD | 20251127 |