| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Group Co., Ltd. | China national standards | MT | 945.29 | USD | 20250929 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 942.48 | USD | 20250929 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 970.61 | USD | 20250929 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1350.42 | USD | 20250929 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 970.61 | USD | 20250929 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 942.48 | USD | 20250929 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1287.12 | USD | 20250929 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1216.78 | USD | 20250929 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 956.55 | USD | 20250929 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 945.29 | USD | 20250929 |