| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | 90% | MT | 351.67 | USD | 20250929 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.64 | USD | 20250929 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 344.64 | USD | 20250929 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 436.07 | USD | 20250929 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 436.07 | USD | 20250929 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1125.35 | USD | 20250929 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 422.01 | USD | 20250929 |
| Shandong Shuojia Chemical Co., Ltd. | 90% | MT | 506.41 | USD | 20250929 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 407.94 | USD | 20250929 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 407.94 | USD | 20250929 |