| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.64 | USD | 20251008 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 886.64 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1020.34 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1020.34 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1048.48 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1048.48 | USD | 20251008 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1048.48 | USD | 20251008 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1266.62 | USD | 20251007 |
| China national standards | MT | 999.23 | USD | 20251006 | |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1041.45 | USD | 20251006 |