| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 881.77 | USD | 20251102 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 884.59 | USD | 20251102 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 884.59 | USD | 20251102 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 884.59 | USD | 20251102 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 881.77 | USD | 20251102 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 881.77 | USD | 20251102 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 878.95 | USD | 20251102 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 884.59 | USD | 20251102 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1199.21 | USD | 20251101 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1199.21 | USD | 20251101 |