| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 788.12 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 703.68 | USD | 20250930 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 689.61 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 731.83 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 633.31 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 703.68 | USD | 20250930 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 745.9 | USD | 20250930 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 767.01 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 731.83 | USD | 20250930 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 738.51 | USD | 20250929 |