| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 944.59 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 909.35 | USD | 20251021 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 909.35 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 902.3 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 937.54 | USD | 20251021 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 845.9 | USD | 20251021 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 747.22 | USD | 20251021 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 817.71 | USD | 20251021 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 902.3 | USD | 20251021 |