| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 884.59 | USD | 20251031 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.59 | USD | 20251031 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 884.59 | USD | 20251031 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 884.59 | USD | 20251031 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.59 | USD | 20251031 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1100.45 | USD | 20251031 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 884.59 | USD | 20251031 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 973.48 | USD | 20251031 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 884.59 | USD | 20251031 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 878.95 | USD | 20251031 |