| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 848.02 | USD | 20251210 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 989.36 | USD | 20251210 |
| Jinan Shengfeng Industry and Trade Co., Ltd. | China national standards | MT | 848.02 | USD | 20251210 |
| Shijiazhuang Bailong Chemical Co., Ltd. | China national standards | MT | 812.69 | USD | 20251210 |
| Henan Zihe Supply Chain Management Co., Ltd. | China national standards | MT | 763.22 | USD | 20251210 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1031.47 | USD | 20251209 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 890.17 | USD | 20251209 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 847.78 | USD | 20251209 |