| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 916.15 | USD | 20251018 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 916.15 | USD | 20251017 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 916.15 | USD | 20251017 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1014.81 | USD | 20251017 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 958.43 | USD | 20251017 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 930.25 | USD | 20251017 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1240.33 | USD | 20251017 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 902.06 | USD | 20251017 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1409.46 | USD | 20251017 |