| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1126.84 | USD | 20251015 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 901.47 | USD | 20251015 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 957.81 | USD | 20251015 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1056.41 | USD | 20251015 |
| Guangzhou Pulanni Chemical Co., Ltd. | China national standards | MT | 901.47 | USD | 20251015 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 887.39 | USD | 20251015 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1084.58 | USD | 20251015 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1028.24 | USD | 20251015 |