| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1125.86 | USD | 20250923 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1097.71 | USD | 20250923 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.71 | USD | 20250923 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1069.56 | USD | 20250923 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1871.74 | USD | 20250923 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 844.39 | USD | 20250923 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 844.39 | USD | 20250923 |
| Derun Chemical Co., Ltd. | China national standards | MT | 1111.78 | USD | 20250923 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 848.03 | USD | 20250922 |