| Vendor | Spec | Unit | Price | Currency | Date |
| Liaocheng Jinxinda New Material Co., Ltd. | 55% | MT | 762.0 | USD | 20251111 |
| Shandong Yushuo Chemical Co., Ltd. | 55% | MT | 776.11 | USD | 20251111 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 493.89 | USD | 20251111 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 493.89 | USD | 20251111 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 493.89 | USD | 20251111 |
| Shandong Rongnuo Chemical Co., Ltd. | 55% | MT | 776.11 | USD | 20251111 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 493.89 | USD | 20251111 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 635.0 | USD | 20251111 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 493.89 | USD | 20251111 |
| Shandong Rongnuo Chemical Co., Ltd. | 40% | MT | 536.22 | USD | 20251111 |