| Vendor | Spec | Unit | Price | Currency | Date |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 958.43 | USD | 20251019 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 887.96 | USD | 20251019 |
| Shandong Jinshengrun Chemical Co., Ltd. | Industrial Grade | MT | 902.06 | USD | 20251019 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 902.06 | USD | 20251019 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 747.02 | USD | 20251018 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 817.49 | USD | 20251018 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 789.3 | USD | 20251018 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 958.43 | USD | 20251018 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 845.68 | USD | 20251018 |