| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 847.89 | USD | 20251208 |
| Derun Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1073.99 | USD | 20251208 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 840.82 | USD | 20251208 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1102.26 | USD | 20251208 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 932.68 | USD | 20251208 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1102.26 | USD | 20251208 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1017.47 | USD | 20251208 |