| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1072.46 | USD | 20251113 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1072.95 | USD | 20251112 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1072.95 | USD | 20251112 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1072.9 | USD | 20251108 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1072.9 | USD | 20251108 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1072.46 | USD | 20251106 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1072.46 | USD | 20251106 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1071.92 | USD | 20251105 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1071.92 | USD | 20251105 |
| Guangzhou Zhan'en Chemical Co., Ltd. | 85% | MT | 1072.16 | USD | 20251104 |