| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1100.45 | USD | 20251031 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.99 | USD | 20251031 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1199.48 | USD | 20251030 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 931.36 | USD | 20251030 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 884.79 | USD | 20251030 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 879.15 | USD | 20251030 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1368.82 | USD | 20251030 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1199.48 | USD | 20251030 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1199.48 | USD | 20251030 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 1157.15 | USD | 20251030 |