| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 268.06 | USD | 20251101 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.46 | USD | 20251031 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.33 | USD | 20251031 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.73 | USD | 20251031 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 331.55 | USD | 20251031 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 253.95 | USD | 20251031 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 268.06 | USD | 20251031 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.73 | USD | 20251031 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.4 | USD | 20251030 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.51 | USD | 20251030 |