| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1113.18 | USD | 20251016 |
| 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 Yushuo Chemical Co., Ltd. | Industrial Grade | MT | 845.45 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 901.81 | USD | 20251016 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Jinan Dezheng Chemical Co., Ltd. | Industrial Grade | MT | 817.27 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1113.18 | USD | 20251016 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 845.13 | USD | 20251015 |