| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 448.68 | USD | 20250822 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 448.68 | USD | 20250822 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 392.59 | USD | 20250822 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1037.56 | USD | 20250822 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 392.59 | USD | 20250822 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 476.72 | USD | 20250822 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 420.63 | USD | 20250822 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 448.68 | USD | 20250822 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 350.53 | USD | 20250822 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 448.68 | USD | 20250822 |