| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 971.05 | USD | 20250925 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250925 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1048.45 | USD | 20250925 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1759.15 | USD | 20250925 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 971.05 | USD | 20250925 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 914.76 | USD | 20250925 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250925 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1076.6 | USD | 20250925 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 971.05 | USD | 20250925 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 971.05 | USD | 20250925 |