| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 951.64 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 796.56 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 796.08 | USD | 20251020 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 951.07 | USD | 20251020 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 951.39 | USD | 20251017 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 796.35 | USD | 20251017 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 796.13 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 951.13 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 950.77 | USD | 20251015 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 795.83 | USD | 20251015 |