| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 444.22 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.41 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.41 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.41 | USD | 20251211 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 424.41 | USD | 20251211 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 396.12 | USD | 20251211 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1046.88 | USD | 20251211 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 396.12 | USD | 20251211 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 438.56 | USD | 20251211 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 438.56 | USD | 20251211 |