| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 749.13 | USD | 20251205 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 947.01 | USD | 20251205 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 947.01 | USD | 20251205 |
| Shanghai Ronghe Chemical Co., Ltd. | China national standards | MT | 763.26 | USD | 20251205 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.67 | USD | 20251205 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.67 | USD | 20251205 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 706.72 | USD | 20251205 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.93 | USD | 20251205 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.93 | USD | 20251205 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 777.4 | USD | 20251205 |