| Vendor | Spec | Unit | Price | Currency | Date |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 675.25 | USD | 20250918 |
| Zaozhuang Yitai Energy Technology Co., Ltd. | China national standards | MT | 633.04 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 541.61 | USD | 20250918 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 562.71 | USD | 20250918 |
| China National Petroleum Corporation Fushun Petrochemical Branch | China national standards | MT | 562.71 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 506.44 | USD | 20250918 |
| Nanjing Daze Trading Co., Ltd. | China national standards | MT | 773.72 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 541.61 | USD | 20250918 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 534.57 | USD | 20250918 |
| Weifang Shuoxin Chemical Co., Ltd. | China national standards | MT | 534.57 | USD | 20250918 |