| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 735.65 | USD | 20251211 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 735.65 | USD | 20251211 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 735.65 | USD | 20251211 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 933.71 | USD | 20251211 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1117.62 | USD | 20251211 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 877.12 | USD | 20251211 |