| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1006.74 | USD | 20251014 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1774.12 | USD | 20251014 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 999.7 | USD | 20251014 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1013.78 | USD | 20251014 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 908.18 | USD | 20251014 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1013.78 | USD | 20251014 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1013.78 | USD | 20251014 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1239.07 | USD | 20251014 |