| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.71 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1611.1 | USD | 20251201 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1611.1 | USD | 20251201 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.18 | USD | 20251201 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 925.68 | USD | 20251201 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1582.84 | USD | 20251201 |
| Jiangsu Yingte Chemical Co., Ltd. | China national standards | MT | 1483.91 | USD | 20251201 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 989.27 | USD | 20251201 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1151.8 | USD | 20251201 |