| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.15 | USD | 20251031 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.15 | USD | 20251031 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.15 | USD | 20251031 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 931.15 | USD | 20251031 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1015.8 | USD | 20251031 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1100.45 | USD | 20251031 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1072.23 | USD | 20251031 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1100.45 | USD | 20251031 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 1072.23 | USD | 20251031 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 973.7 | USD | 20251030 |