| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 190.46 | USD | 20251101 |
| Suzhou Shangma Chem | Industrial Grade | MT | 253.95 | USD | 20251101 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.44 | USD | 20251101 |
| Shandong Jiaen Chem | China national standards | MT | 268.06 | USD | 20251101 |
| Baozhen Shandong Chem | Food Grade | MT | 268.06 | USD | 20251101 |
| Guangzhou Tianyue Chem | Industrial Grade | MT | 225.73 | USD | 20251101 |
| Guangzhou Tianyue Chem | Industrial Grade | MT | 239.84 | USD | 20251101 |
| Jinan Kunfeng Chem | Food Grade | MT | 317.44 | USD | 20251031 |
| Shandong Kailong Chem | Industrial Grade | MT | 317.44 | USD | 20251031 |
| Qingdao Chengxin Chem | Food Grade | MT | 253.95 | USD | 20251031 |