| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1243.66 | USD | 20251201 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1059.94 | USD | 20251201 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1052.87 | USD | 20251201 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1017.54 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 911.54 | USD | 20251201 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1413.25 | USD | 20251201 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1031.67 | USD | 20251201 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1130.6 | USD | 20251201 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1017.54 | USD | 20251201 |