| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1210.91 | USD | 20251014 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1224.99 | USD | 20251014 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1225.23 | USD | 20251013 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1211.15 | USD | 20251013 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1210.45 | USD | 20251012 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1224.52 | USD | 20251012 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1224.52 | USD | 20251011 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1210.45 | USD | 20251011 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1223.82 | USD | 20250929 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1209.75 | USD | 20250929 |