| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.42 | USD | 20251010 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.61 | USD | 20251010 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.87 | USD | 20251009 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.22 | USD | 20251009 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.03 | USD | 20251009 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.03 | USD | 20251009 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 302.38 | USD | 20251009 |
| Zhangzhou Xiangcheng San'an Chemical Co., Ltd. | China national standards | MT | 309.41 | USD | 20251009 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 253.16 | USD | 20251009 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 189.99 | USD | 20251008 |