| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 690.4 | USD | 20251020 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 810.17 | USD | 20251020 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 711.54 | USD | 20251020 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 810.17 | USD | 20251020 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 711.54 | USD | 20251020 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 711.54 | USD | 20251020 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 789.03 | USD | 20251020 |