| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 180.81 | USD | 20251202 |
| Henan Sendi Environmental Protection Technology Co., Ltd. | China national standards | MT | 197.76 | USD | 20251202 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 204.82 | USD | 20251202 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 223.18 | USD | 20251202 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.82 | USD | 20251202 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 183.63 | USD | 20251202 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 282.51 | USD | 20251202 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.51 | USD | 20251202 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.51 | USD | 20251202 |
| Guangzhou Zhan'en Chemical Co., Ltd. | Food Grade | MT | 247.2 | USD | 20251202 |