| Vendor | Spec | Unit | Price | Currency | Date |
| Changzhou Pengwei Chemical Co., Ltd. | China national standards | MT | 325.05 | USD | 20251201 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 226.12 | USD | 20251201 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.79 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.85 | USD | 20251201 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 310.78 | USD | 20251130 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 254.28 | USD | 20251130 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 268.4 | USD | 20251129 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 310.78 | USD | 20251129 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.71 | USD | 20251129 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 268.4 | USD | 20251128 |