| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 876.21 | USD | 20251201 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 1031.67 | USD | 20251201 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 975.14 | USD | 20251201 |
| Shandong Hongxin CHEMICALS Co., Ltd. | China national standards | MT | 961.01 | USD | 20251201 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 890.35 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |