| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.14 | USD | 20251027 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.14 | USD | 20251027 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.14 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 973.46 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1065.17 | USD | 20251027 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 973.46 | USD | 20251027 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.65 | USD | 20251027 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1100.44 | USD | 20251027 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1072.22 | USD | 20251027 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 757.11 | USD | 20251026 |