| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1041.95 | USD | 20251014 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1323.55 | USD | 20251014 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1224.99 | USD | 20251014 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 915.22 | USD | 20251014 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 971.54 | USD | 20251014 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1365.79 | USD | 20251014 |