| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 713.74 | USD | 20251203 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 713.34 | USD | 20251202 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 755.71 | USD | 20251202 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 755.71 | USD | 20251202 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 756.09 | USD | 20251201 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 713.69 | USD | 20251201 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 756.09 | USD | 20251201 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 706.32 | USD | 20251130 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 755.77 | USD | 20251128 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 755.77 | USD | 20251128 |