| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 331.85 | USD | 20251117 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.63 | USD | 20251117 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.63 | USD | 20251117 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 310.62 | USD | 20251116 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.61 | USD | 20251115 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 268.27 | USD | 20251115 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.57 | USD | 20251114 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.91 | USD | 20251114 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.61 | USD | 20251114 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 268.27 | USD | 20251114 |