| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 776.36 | USD | 20251029 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 734.02 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 854.0 | USD | 20251029 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 712.84 | USD | 20251029 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 705.79 | USD | 20251029 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 691.67 | USD | 20251029 |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 762.25 | USD | 20251029 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 790.48 | USD | 20251029 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 726.96 | USD | 20251029 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 726.96 | USD | 20251029 |