| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.76 | USD | 20251126 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.76 | USD | 20251126 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 776.88 | USD | 20251126 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 762.75 | USD | 20251126 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 706.25 | USD | 20251126 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 720.38 | USD | 20251126 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.44 | USD | 20251126 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.13 | USD | 20251126 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.13 | USD | 20251126 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.88 | USD | 20251126 |