| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 759.43 | USD | 20250922 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 928.19 | USD | 20250922 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 928.19 | USD | 20250922 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 787.31 | USD | 20250921 |
| Jinan Xingdate Biotechnology Co., Ltd. | China national standards | MT | 934.93 | USD | 20250921 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250921 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250921 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250920 |