| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1758.36 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1266.02 | USD | 20250929 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 970.61 | USD | 20250929 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1005.78 | USD | 20250929 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1026.88 | USD | 20250929 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 970.61 | USD | 20250929 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1772.43 | USD | 20250929 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 970.61 | USD | 20250929 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 970.61 | USD | 20250929 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1033.92 | USD | 20250929 |