| Vendor | Spec | Unit | Price | Currency | Date |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1340.99 | USD | 20251029 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 885.06 | USD | 20251029 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1213.95 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1298.65 | USD | 20251029 |
| PetroChina Kunlun Gas Co., Ltd. Liquefied Gas Daqing Petrochemical Branch | China national standards | MT | 1199.84 | USD | 20251029 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 879.41 | USD | 20251029 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 889.29 | USD | 20251029 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 988.1 | USD | 20251029 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 885.06 | USD | 20251029 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 885.06 | USD | 20251029 |