| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 767.38 | USD | 20251014 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 689.94 | USD | 20251014 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 865.94 | USD | 20251014 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 802.58 | USD | 20251014 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 767.38 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.94 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.94 | USD | 20251014 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 957.46 | USD | 20251014 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 764.56 | USD | 20251014 |
| Jiangsu Lianhai Biological Technology Co., Ltd. | China national standards | MT | 753.3 | USD | 20251014 |