| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 282.65 | USD | 20251201 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 282.65 | USD | 20251201 |
| Shandong Zhongke Taihua New Material Co., Ltd. | Food Grade | MT | 282.65 | USD | 20251201 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.99 | USD | 20251201 |
| Henan Kaijie Water Treatment Co., Ltd. | China national standards | MT | 211.99 | USD | 20251201 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 183.64 | USD | 20251130 |
| Henan Huiyihai Environmental Protection Technology Co., Ltd. | China national standards | MT | 204.83 | USD | 20251130 |
| Jinan Jinrihe Chemical Co., Ltd. | Food Grade | MT | 155.39 | USD | 20251130 |
| Shandong Haihua Group Co., Ltd. | Food Grade | MT | 169.52 | USD | 20251130 |
| Shandong Haihua Group Co., Ltd. | China national standards | MT | 169.52 | USD | 20251130 |