| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.35 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.35 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.35 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.35 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.35 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.35 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.35 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1041.43 | USD | 20250915 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 450.35 | USD | 20250915 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 323.69 | USD | 20250915 |