| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Lixin Shengshi New Material Technology Co., Ltd. | China national standards | MT | 1057.02 | USD | 20251022 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1014.74 | USD | 20251022 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 901.99 | USD | 20251022 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 958.37 | USD | 20251022 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1099.68 | USD | 20251021 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1029.18 | USD | 20251021 |
| WENTONG Potassium Salt Group Co., Ltd. | China national standards | MT | 1127.87 | USD | 20251021 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1127.87 | USD | 20251021 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 775.41 | USD | 20251021 |
| Beijing Wentong Tianxia Cultural Technology Co., Ltd. | China national standards | MT | 1085.58 | USD | 20251021 |