| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1268.18 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1244.22 | USD | 20251016 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1155.01 | USD | 20251015 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1197.27 | USD | 20251015 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1197.27 | USD | 20251015 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1243.75 | USD | 20251015 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1267.69 | USD | 20251015 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1196.83 | USD | 20251014 |