| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.75 | USD | 20250922 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 815.68 | USD | 20250922 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 815.68 | USD | 20250922 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 815.68 | USD | 20250922 |