| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 832.95 | USD | 20251112 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 860.78 | USD | 20251111 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 860.9 | USD | 20251110 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 847.03 | USD | 20251107 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 846.68 | USD | 20251106 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 846.68 | USD | 20251106 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 846.25 | USD | 20251105 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 846.44 | USD | 20251104 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 846.66 | USD | 20251103 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 832.39 | USD | 20251031 |