| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1065.26 | USD | 20251121 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.22 | USD | 20251121 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1015.87 | USD | 20251121 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 846.56 | USD | 20251121 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 846.56 | USD | 20251121 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1876.54 | USD | 20251121 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1093.47 | USD | 20251121 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.22 | USD | 20251121 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1072.31 | USD | 20251121 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1100.53 | USD | 20251121 |