| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 831.95 | USD | 20251023 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 775.54 | USD | 20251023 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 775.54 | USD | 20251023 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 846.05 | USD | 20251023 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 754.39 | USD | 20251023 |
| Jiangsu Youlixin Chemical Co., Ltd. | China national standards | MT | 789.64 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 853.1 | USD | 20251023 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 705.04 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 867.2 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 789.64 | USD | 20251023 |