| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 155.62 | USD | 20251211 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 155.47 | USD | 20251210 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 135.68 | USD | 20251210 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 135.64 | USD | 20251209 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 135.66 | USD | 20251208 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 135.72 | USD | 20251204 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 135.68 | USD | 20251203 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 135.6 | USD | 20251202 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 135.67 | USD | 20251201 |
| Changzhou Yongxiang Chemical Co., Ltd. | China national standards | MT | 138.43 | USD | 20251126 |