| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 409.23 | USD | 20251030 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 536.24 | USD | 20251030 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 536.4 | USD | 20251029 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 409.36 | USD | 20251029 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 409.36 | USD | 20251029 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 465.82 | USD | 20251029 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 409.36 | USD | 20251029 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 409.36 | USD | 20251029 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 408.92 | USD | 20251023 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 535.83 | USD | 20251023 |