| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.99 | USD | 20251127 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 932.48 | USD | 20251127 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.99 | USD | 20251127 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 847.71 | USD | 20251127 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 932.48 | USD | 20251127 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 847.71 | USD | 20251127 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 847.71 | USD | 20251127 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1031.38 | USD | 20251127 |
| Zhenjiangunionchemicalindustry Co., Ltd. | China national standards | MT | 798.26 | USD | 20251127 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1031.38 | USD | 20251127 |