| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 831.83 | USD | 20251024 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 958.72 | USD | 20251024 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1057.41 | USD | 20251024 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1050.36 | USD | 20251024 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1776.45 | USD | 20251024 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 916.42 | USD | 20251024 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 958.72 | USD | 20251024 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1015.11 | USD | 20251024 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 831.83 | USD | 20251024 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1008.06 | USD | 20251024 |