| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 733.69 | USD | 20251121 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 733.69 | USD | 20251121 |
| Qilu Petrochemical Construction Co., Ltd. | China national standards | MT | 740.74 | USD | 20251121 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 874.78 | USD | 20251121 |
| Shandong Changyi Petrochemical Co., Ltd. | China national standards | MT | 740.74 | USD | 20251121 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 785.89 | USD | 20251121 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 903.0 | USD | 20251121 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 733.69 | USD | 20251121 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 733.69 | USD | 20251121 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.75 | USD | 20251121 |