| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1097.85 | USD | 20251010 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1280.82 | USD | 20251010 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1069.7 | USD | 20251010 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251010 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 971.17 | USD | 20251010 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1068.89 | USD | 20251009 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1097.02 | USD | 20251009 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1012.63 | USD | 20251009 |
| Xingtai Risun Coal Chemicais Limited | China national standards | MT | 1279.85 | USD | 20251009 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 970.44 | USD | 20251009 |