| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1127.9 | USD | 20251024 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1127.9 | USD | 20251024 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251017 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251017 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251017 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 |