| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1240.24 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1057.02 | USD | 20251022 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 852.67 | USD | 20251022 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 930.18 | USD | 20251022 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1775.8 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1014.74 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 852.67 | USD | 20251022 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 880.85 | USD | 20251022 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 859.71 | USD | 20251022 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 880.85 | USD | 20251022 |