| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.99 | USD | 20251008 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 309.62 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.58 | USD | 20251008 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 309.62 | USD | 20251007 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 309.62 | USD | 20251001 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.4 | USD | 20250930 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.18 | USD | 20250930 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.18 | USD | 20250930 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.99 | USD | 20250930 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.58 | USD | 20250930 |