| Vendor | Spec | Unit | Price | Currency | Date |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.78 | USD | 20251022 |
| Guangzhou Zhan'en Chemical Co., Ltd. | China national standards | MT | 253.69 | USD | 20251022 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 190.26 | USD | 20251022 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.5 | USD | 20251022 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 317.11 | USD | 20251022 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 225.5 | USD | 20251022 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.01 | USD | 20251022 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 317.21 | USD | 20251021 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 267.87 | USD | 20251021 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 303.12 | USD | 20251021 |