| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 632.86 | USD | 20250922 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 632.86 | USD | 20250922 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 618.79 | USD | 20250922 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 506.29 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 541.45 | USD | 20250922 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 618.79 | USD | 20250922 |
| Chengdu Rongjiaxin Chemical Products Co., Ltd. | China national standards | MT | 675.05 | USD | 20250922 |
| Shandong LuoHeng Chemical Products Co., Ltd. | China national standards | MT | 576.6 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 541.45 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 604.73 | USD | 20250922 |