| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 794.63 | USD | 20251009 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 829.79 | USD | 20251009 |
| Shandong Yushuo Chemical Co., Ltd. | Industrial Grade | MT | 829.79 | USD | 20251009 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.79 | USD | 20251009 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 815.73 | USD | 20251009 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 815.73 | USD | 20251009 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 815.73 | USD | 20251009 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 914.18 | USD | 20251009 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 900.12 | USD | 20251009 |