| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 506.13 | USD | 20250919 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 492.07 | USD | 20250919 |
| Shandong Yushuo Chemical Co., Ltd. | 40% | MT | 618.6 | USD | 20250919 |
| Zibo Huijie Chemical Co., Ltd. | 40% | MT | 660.78 | USD | 20250919 |
| Zibo Huijie Chemical Co., Ltd. | 55% | MT | 970.67 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | 55% | MT | 773.72 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | 40% | MT | 492.37 | USD | 20250918 |
| Shandong Yushuo Chemical Co., Ltd. | 40% | MT | 618.98 | USD | 20250918 |
| Shandong Qiangsen Chemical Co., Ltd. | 55% | MT | 633.04 | USD | 20250918 |
| Shandong Rongnuo Chemical Co., Ltd. | 55% | MT | 773.72 | USD | 20250918 |