| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 943.73 | USD | 20251015 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1007.11 | USD | 20251015 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1408.55 | USD | 20251015 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 915.22 | USD | 20251014 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 908.18 | USD | 20251014 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1126.43 | USD | 20251014 |