| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1097.22 | USD | 20250929 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1251.95 | USD | 20250929 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1280.09 | USD | 20250929 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1104.25 | USD | 20250929 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1040.95 | USD | 20250929 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 1012.81 | USD | 20250929 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 949.51 | USD | 20250929 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 984.68 | USD | 20250929 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250929 |