| Vendor | Spec | Unit | Price | Currency | Date |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 464.1 | USD | 20250922 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 421.91 | USD | 20250922 |
| Suzhou Chemical Material Co., Ltd. | China national standards | MT | 482.38 | USD | 20250922 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 435.97 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.97 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.97 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.97 | USD | 20250922 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 435.97 | USD | 20250922 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 365.65 | USD | 20250922 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 365.65 | USD | 20250922 |