| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1594.99 | USD | 20251124 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1623.22 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1594.99 | USD | 20251124 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1129.19 | USD | 20251124 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1693.79 | USD | 20251124 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1566.76 | USD | 20251124 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1594.99 | USD | 20251124 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1609.1 | USD | 20251124 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1566.76 | USD | 20251124 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 1609.1 | USD | 20251124 |