| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 837.36 | USD | 20250924 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1013.27 | USD | 20250924 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 802.17 | USD | 20250924 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1069.56 | USD | 20250924 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250924 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1097.71 | USD | 20250924 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 971.05 | USD | 20250924 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1062.53 | USD | 20250924 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.67 | USD | 20250924 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.86 | USD | 20250924 |