| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1110.67 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 970.08 | USD | 20250920 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 829.49 | USD | 20250920 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 829.49 | USD | 20250920 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 843.55 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1061.47 | USD | 20250920 |
| Hunan Yuanshuo Fine Chemical Co., Ltd. | China national standards | MT | 899.79 | USD | 20250920 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 843.55 | USD | 20250920 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1096.61 | USD | 20250920 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 843.55 | USD | 20250920 |