| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251115 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1101.31 | USD | 20251115 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 734.2 | USD | 20251115 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1073.07 | USD | 20251115 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1066.01 | USD | 20251115 |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 729.97 | USD | 20251115 |
| Derun Chemical Co., Ltd. | China national standards | MT | 931.87 | USD | 20251115 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 804.8 | USD | 20251115 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 931.87 | USD | 20251115 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1016.59 | USD | 20251115 |