| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1098.27 | USD | 20251014 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1330.59 | USD | 20251014 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 936.34 | USD | 20251014 |
| Jinan Dezheng Chemical 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 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 936.34 | USD | 20251014 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1196.83 | USD | 20251014 |