| Vendor | Spec | Unit | Price | Currency | Date |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 1310.71 | USD | 20251022 |
| China national standards | MT | 873.81 | USD | 20251022 | |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 958.37 | USD | 20251022 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1268.43 | USD | 20251022 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 852.67 | USD | 20251022 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 1071.12 | USD | 20251022 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 838.57 | USD | 20251022 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1007.7 | USD | 20251022 |