| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 578.89 | USD | 20251114 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 578.83 | USD | 20251112 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 606.78 | USD | 20251111 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 606.86 | USD | 20251110 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 607.04 | USD | 20251107 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 606.79 | USD | 20251106 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 606.48 | USD | 20251105 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 606.62 | USD | 20251104 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 606.77 | USD | 20251103 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 606.66 | USD | 20251031 |