| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 688.58 | USD | 20250825 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 801.0 | USD | 20250825 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 688.58 | USD | 20250825 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 744.79 | USD | 20250825 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 744.79 | USD | 20250825 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 744.79 | USD | 20250825 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 864.24 | USD | 20250825 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 850.18 | USD | 20250825 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 772.9 | USD | 20250825 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 786.95 | USD | 20250825 |