| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1266.59 | USD | 20250925 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1013.27 | USD | 20250925 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250925 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250925 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.11 | USD | 20250925 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1210.3 | USD | 20250925 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1177.93 | USD | 20250924 |
| Befar Group Co., Ltd. | China national standards | MT | 886.61 | USD | 20250924 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1196.22 | USD | 20250924 |