| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 847.27 | USD | 20251117 |
| Xingtai Risun Coal Chemicais Limited | China national standards | MT | 1285.02 | USD | 20251117 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1094.39 | USD | 20251117 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1066.14 | USD | 20251117 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 847.27 | USD | 20251117 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 847.27 | USD | 20251117 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1073.2 | USD | 20251117 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 974.36 | USD | 20251117 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1878.11 | USD | 20251117 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.99 | USD | 20251117 |