| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1099.3 | USD | 20251022 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1367.08 | USD | 20251022 |
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 930.18 | USD | 20251022 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1197.96 | USD | 20251022 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1268.43 | USD | 20251022 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1268.43 | USD | 20251022 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1268.43 | USD | 20251022 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 890.72 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 890.72 | USD | 20251022 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1296.61 | USD | 20251022 |