| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 925.61 | USD | 20251208 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 932.88 | USD | 20251205 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 947.01 | USD | 20251205 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 925.81 | USD | 20251205 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 926.02 | USD | 20251204 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 947.22 | USD | 20251204 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 925.74 | USD | 20251203 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 946.94 | USD | 20251203 |