| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 394.1 | USD | 20251012 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.32 | USD | 20251012 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 436.32 | USD | 20251012 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1041.55 | USD | 20251012 |
| Shandong Jinshengrun Chemical Co., Ltd. | 90% | MT | 422.25 | USD | 20251012 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 422.25 | USD | 20251012 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1126.0 | USD | 20251012 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 985.25 | USD | 20251012 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 323.72 | USD | 20251012 |
| Shandong Zhenkun New Materials Co., Ltd. | 90% | MT | 394.1 | USD | 20251012 |