| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1065.41 | USD | 20251106 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 973.68 | USD | 20251106 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1114.8 | USD | 20251106 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1100.68 | USD | 20251106 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1072.46 | USD | 20251106 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1016.02 | USD | 20251106 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1876.81 | USD | 20251106 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 846.68 | USD | 20251106 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 846.68 | USD | 20251106 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.91 | USD | 20251106 |