| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 805.09 | USD | 20251011 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 805.09 | USD | 20251011 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 886.72 | USD | 20251011 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 816.35 | USD | 20251011 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.85 | USD | 20251010 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1280.82 | USD | 20251010 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1097.85 | USD | 20251010 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251010 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1069.7 | USD | 20251010 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1097.85 | USD | 20251010 |