| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1012.54 | USD | 20250903 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1012.54 | USD | 20250903 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 829.95 | USD | 20250902 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1097.22 | USD | 20250902 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1012.81 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 829.95 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 970.61 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1062.05 | USD | 20250902 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1090.18 | USD | 20250902 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1062.3 | USD | 20250901 |