| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1092.15 | USD | 20250725 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1092.15 | USD | 20250725 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 966.13 | USD | 20250725 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1057.14 | USD | 20250725 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.15 | USD | 20250725 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1085.66 | USD | 20250724 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1057.65 | USD | 20250724 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 966.59 | USD | 20250724 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1008.62 | USD | 20250724 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1092.67 | USD | 20250724 |