| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 843.27 | USD | 20250928 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.21 | USD | 20250928 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 843.27 | USD | 20250928 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 787.05 | USD | 20250928 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 801.1 | USD | 20250928 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.21 | USD | 20250928 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 730.83 | USD | 20250928 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 829.21 | USD | 20250928 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 899.48 | USD | 20250928 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 815.16 | USD | 20250928 |