| Vendor | Spec | Unit | Price | Currency | Date |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1112.57 | USD | 20251013 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 929.49 | USD | 20251013 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 844.99 | USD | 20251013 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 844.99 | USD | 20251013 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 872.65 | USD | 20251012 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 844.5 | USD | 20251012 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 886.72 | USD | 20251012 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 914.87 | USD | 20251012 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1027.47 | USD | 20251011 |