| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 155.29 | USD | 20251112 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 155.29 | USD | 20251108 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 155.22 | USD | 20251106 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 155.15 | USD | 20251105 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 155.18 | USD | 20251104 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 155.22 | USD | 20251103 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 155.19 | USD | 20251031 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 155.23 | USD | 20251030 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 155.19 | USD | 20251027 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 155.09 | USD | 20251024 |