| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 846.05 | USD | 20251023 |
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 782.59 | USD | 20251023 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 916.55 | USD | 20251023 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 916.55 | USD | 20251023 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1099.86 | USD | 20251023 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1057.56 | USD | 20251023 |
| Shanghai Juexin Industrial Development Co., Ltd. | China national standards | MT | 1339.58 | USD | 20251023 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |