| Vendor | Spec | Unit | Price | Currency | Date |
| China national standards | MT | 369.72 | USD | 20251030 | |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 395.12 | USD | 20251030 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.89 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 388.18 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 395.24 | USD | 20251029 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 374.07 | USD | 20251029 |
| China national standards | MT | 369.83 | USD | 20251029 | |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 369.83 | USD | 20251029 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 367.01 | USD | 20251029 |
| Shanghai Huayi Holding Group Co., Ltd. | China national standards | MT | 423.47 | USD | 20251029 |