| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | 85% | MT | 1072.43 | USD | 20251103 |
| Shandong Hongyang Chemical Co., Ltd. | 85% | MT | 1086.34 | USD | 20251031 |
| Shandong Hongyang Chemical Co., Ltd. | 85% | MT | 1072.23 | USD | 20251031 |
| Shandong Hongyang Chemical Co., Ltd. | 85% | MT | 987.58 | USD | 20251031 |
| Shandong Hongyang Chemical Co., Ltd. | 85% | MT | 987.81 | USD | 20251030 |
| Shandong Hongyang Chemical Co., Ltd. | 85% | MT | 1086.59 | USD | 20251030 |
| Shandong Hongyang Chemical Co., Ltd. | 85% | MT | 1072.48 | USD | 20251030 |
| Shandong Hongyang Chemical Co., Ltd. | 85% | MT | 1072.79 | USD | 20251029 |
| Shandong Hongyang Chemical Co., Ltd. | 85% | MT | 1086.91 | USD | 20251029 |
| Shandong Hongyang Chemical Co., Ltd. | 85% | MT | 988.1 | USD | 20251029 |