| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 990.3 | USD | 20251211 |
| Jining Zhongyin ELECTRO-CHEMICAL Co., Ltd. | China national standards | MT | 763.94 | USD | 20251211 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 905.41 | USD | 20251211 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 905.41 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 809.21 | USD | 20251211 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 905.41 | USD | 20251211 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1358.12 | USD | 20251211 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 905.41 | USD | 20251211 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1075.18 | USD | 20251211 |