| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 956.02 | USD | 20250920 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 956.02 | USD | 20250920 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 970.08 | USD | 20250920 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1166.91 | USD | 20250920 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 956.02 | USD | 20250920 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 956.02 | USD | 20250920 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 956.02 | USD | 20250920 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250920 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250920 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1195.03 | USD | 20250920 |