| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 407.86 | USD | 20251009 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 407.86 | USD | 20251009 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 408.13 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 408.13 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 408.13 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 408.13 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 534.8 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 464.43 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 464.21 | USD | 20250929 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 534.54 | USD | 20250929 |