| Vendor | Spec | Unit | Price | Currency | Date |
| Xiangfen Longtengda Chemical Co., Ltd. | China national standards | MT | 846.66 | USD | 20251103 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 747.74 | USD | 20251102 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 945.26 | USD | 20251101 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 945.26 | USD | 20251101 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 747.74 | USD | 20251101 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.18 | USD | 20251101 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 853.56 | USD | 20251101 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 747.74 | USD | 20251101 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 853.56 | USD | 20251101 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.18 | USD | 20251101 |