| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 281.46 | USD | 20250925 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 281.46 | USD | 20250925 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 281.46 | USD | 20250925 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 197.02 | USD | 20250925 |
| Shandong Haihua Group Co., Ltd. | China national standards | MT | 168.88 | USD | 20250925 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 204.06 | USD | 20250925 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 182.95 | USD | 20250925 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 222.36 | USD | 20250925 |
| Henan Baoxin Environmental Protection Technology Co., Ltd. | China national standards | MT | 211.1 | USD | 20250925 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.06 | USD | 20250925 |