| Vendor | Spec | Unit | Price | Currency | Date |
| Derun Chemical Co., Ltd. | China national standards | MT | 1112.35 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1063.07 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 971.54 | USD | 20251014 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1091.23 | USD | 20251014 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1070.11 | USD | 20251014 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 805.4 | USD | 20251014 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 805.4 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 805.4 | USD | 20251014 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1267.23 | USD | 20251014 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 805.4 | USD | 20251014 |