| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1481.48 | USD | 20251121 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1481.48 | USD | 20251121 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1636.68 | USD | 20251121 |
| Shandong Longhui Chemical Co., Ltd. | China national standards | MT | 1947.09 | USD | 20251121 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1763.67 | USD | 20251121 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1453.26 | USD | 20251121 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2045.86 | USD | 20251121 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 1467.37 | USD | 20251121 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1552.03 | USD | 20251121 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 2045.86 | USD | 20251121 |