| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 798.48 | USD | 20251201 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 929.92 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 763.15 | USD | 20251201 |