| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250902 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 703.34 | USD | 20250902 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 801.81 | USD | 20250902 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 689.28 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250902 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.28 | USD | 20250902 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 802.0 | USD | 20250901 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 689.44 | USD | 20250901 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.44 | USD | 20250901 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 745.72 | USD | 20250901 |