| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1226.15 | USD | 20251022 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1296.61 | USD | 20251022 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 883.67 | USD | 20251022 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1268.43 | USD | 20251022 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1197.96 | USD | 20251022 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 890.72 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1381.18 | USD | 20251022 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 890.72 | USD | 20251022 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1324.8 | USD | 20251022 |