| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 961.08 | USD | 20251203 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 876.28 | USD | 20251203 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 961.08 | USD | 20251203 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1031.74 | USD | 20251203 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1052.94 | USD | 20251203 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 961.08 | USD | 20251203 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 946.94 | USD | 20251203 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1081.21 | USD | 20251203 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1017.61 | USD | 20251203 |