| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 495.15 | USD | 20251211 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 509.29 | USD | 20251211 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 494.68 | USD | 20251210 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 508.81 | USD | 20251210 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 508.67 | USD | 20251209 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 494.54 | USD | 20251209 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 494.6 | USD | 20251208 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 508.84 | USD | 20251205 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 494.71 | USD | 20251205 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 494.82 | USD | 20251204 |