| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1268.52 | USD | 20251017 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1106.43 | USD | 20251017 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 916.15 | USD | 20251017 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 909.1 | USD | 20251017 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1043.0 | USD | 20251017 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 916.15 | USD | 20251017 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 916.15 | USD | 20251017 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 972.53 | USD | 20251017 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1296.71 | USD | 20251017 |