| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 785.02 | USD | 20251022 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 789.24 | USD | 20251022 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 725.82 | USD | 20251022 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 845.62 | USD | 20251022 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 690.59 | USD | 20251022 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 775.15 | USD | 20251022 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 728.64 | USD | 20251022 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 761.06 | USD | 20251022 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 732.87 | USD | 20251022 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 775.15 | USD | 20251022 |