| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.27 | USD | 20251119 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 747.83 | USD | 20251119 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 846.6 | USD | 20251119 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 853.84 | USD | 20251118 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 748.0 | USD | 20251118 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.45 | USD | 20251118 |
| Chang Zhou Qi Di Chemical Co., Ltd. | China national standards | MT | 726.83 | USD | 20251118 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 726.83 | USD | 20251118 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 776.22 | USD | 20251118 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.45 | USD | 20251118 |