| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.39 | USD | 20251020 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 873.87 | USD | 20251017 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.68 | USD | 20251017 |