| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 618.6 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 506.13 | USD | 20250920 |
| Shandong Hongshuo Chemical Technology Co., Ltd. | China national standards | MT | 506.13 | USD | 20250920 |
| BASF-YPC. Co., Ltd. | China national standards | MT | 534.25 | USD | 20250920 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 506.13 | USD | 20250920 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 604.54 | USD | 20250920 |
| China National Petroleum Corporation Fushun Petrochemical Branch | China national standards | MT | 634.07 | USD | 20250920 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 590.48 | USD | 20250920 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 541.28 | USD | 20250920 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 618.6 | USD | 20250920 |