| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 452.02 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 452.02 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 494.39 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 494.39 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 452.24 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 494.64 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | 90% | MT | 494.64 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 452.24 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 452.24 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 452.24 | USD | 20251201 |