| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | 40% | MT | 622.06 | USD | 20251204 |
| Zibo Huijie Chemical Co., Ltd. | 55% | MT | 975.5 | USD | 20251204 |
| Zibo Huijie Chemical Co., Ltd. | China national standards | MT | 1654.11 | USD | 20251204 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 494.82 | USD | 20251204 |
| Liaocheng Jinxinda New Material Co., Ltd. | 55% | MT | 763.21 | USD | 20251203 |
| Shandong Yuxuan Chemical Products Co., Ltd. | 55% | MT | 763.21 | USD | 20251203 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 494.67 | USD | 20251203 |
| Shandong Rongnuo Chemical Co., Ltd. | 40% | MT | 494.67 | USD | 20251203 |
| Zibo Huijie Chemical Co., Ltd. | 55% | MT | 975.21 | USD | 20251203 |
| Shandong Yushuo Chemical Co., Ltd. | 55% | MT | 777.34 | USD | 20251203 |