| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 881.51 | USD | 20251105 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1043.71 | USD | 20251105 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 884.33 | USD | 20251105 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 884.33 | USD | 20251105 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 874.46 | USD | 20251105 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.33 | USD | 20251105 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 902.67 | USD | 20251105 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 874.46 | USD | 20251105 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 874.46 | USD | 20251105 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1297.58 | USD | 20251105 |