| Vendor | Spec | Unit | Price | Currency | Date |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1805.84 | USD | 20251027 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1804.65 | USD | 20251026 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1804.65 | USD | 20251025 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1804.65 | USD | 20251024 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1803.99 | USD | 20251022 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1804.6 | USD | 20251021 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1803.5 | USD | 20251020 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1804.11 | USD | 20251019 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1804.11 | USD | 20251017 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 1803.63 | USD | 20251016 |