| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1098.67 | USD | 20251015 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 845.13 | USD | 20251015 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 845.13 | USD | 20251015 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 802.58 | USD | 20251014 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1872.69 | USD | 20251014 |
| Derun Chemical Co., Ltd. | China national standards | MT | 1112.35 | USD | 20251014 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 844.82 | USD | 20251014 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 844.82 | USD | 20251014 |
| Xingtai Risun Coal Chemicais Limited | China national standards | MT | 1281.31 | USD | 20251014 |