| Vendor | Spec | Unit | Price | Currency | Date |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 710.72 | USD | 20251209 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 734.74 | USD | 20251209 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 720.61 | USD | 20251209 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 720.61 | USD | 20251209 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 720.61 | USD | 20251209 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 741.81 | USD | 20251209 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 768.65 | USD | 20251209 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 768.65 | USD | 20251209 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 720.71 | USD | 20251208 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 692.44 | USD | 20251208 |