| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1093.6 | USD | 20251103 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1171.21 | USD | 20251103 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.88 | USD | 20251103 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1128.88 | USD | 20251103 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1312.32 | USD | 20251103 |
| Wudi Xinyue Chemical Group Co., Ltd. | China national standards | MT | 1044.02 | USD | 20251102 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251102 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251102 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1058.13 | USD | 20251102 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1058.13 | USD | 20251102 |