| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 816.35 | USD | 20251012 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251012 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 957.1 | USD | 20251012 |
| Qingdao Shengze Chemical Co., Ltd. | Industrial Grade | MT | 816.35 | USD | 20251012 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 928.95 | USD | 20251011 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 844.5 | USD | 20251011 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251011 |
| Xiamen Yudeshun Chemical Products Co., Ltd. | China national standards | MT | 1266.75 | USD | 20251011 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251011 |
| Tongling Jintai Chemical Industrial Co., Ltd. | China national standards | MT | 816.35 | USD | 20251011 |