| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 351.84 | USD | 20250930 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 372.95 | USD | 20250930 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 379.99 | USD | 20250930 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 351.84 | USD | 20250930 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 382.8 | USD | 20250930 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 337.77 | USD | 20250930 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 246.29 | USD | 20250930 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.34 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 281.34 | USD | 20250929 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 368.55 | USD | 20250929 |