| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.95 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.95 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.89 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 381.12 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.89 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 367.01 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 331.72 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 345.84 | USD | 20251029 |
| Changzhou Jiaye Chemical Co., Ltd. | China national standards | MT | 508.17 | USD | 20251029 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 238.56 | USD | 20251029 |