| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 909.04 | USD | 20251022 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 810.38 | USD | 20251022 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 690.59 | USD | 20251022 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 782.2 | USD | 20251022 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 704.68 | USD | 20251022 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 725.82 | USD | 20251022 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 732.87 | USD | 20251022 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 711.73 | USD | 20251022 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 831.52 | USD | 20251022 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 732.87 | USD | 20251022 |