| Vendor | Spec | Unit | Price | Currency | Date |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 310.78 | USD | 20251128 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 226.02 | USD | 20251128 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 268.4 | USD | 20251128 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.72 | USD | 20251128 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 226.02 | USD | 20251128 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.71 | USD | 20251128 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.73 | USD | 20251127 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 226.06 | USD | 20251127 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.76 | USD | 20251127 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 353.21 | USD | 20251127 |