| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1026.64 | USD | 20250922 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1005.54 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 998.51 | USD | 20250922 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 970.38 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.08 | USD | 20250922 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1772.0 | USD | 20250922 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1012.57 | USD | 20250922 |