| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1028.63 | USD | 20251016 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 1014.54 | USD | 20251016 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 817.27 | USD | 20251016 |
| Shandong Shuojia Chemical Co., Ltd. | Industrial Grade | MT | 817.27 | USD | 20251016 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1014.54 | USD | 20251016 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 746.82 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 817.27 | USD | 20251016 |