| Vendor | Spec | Unit | Price | Currency | Date |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 889.5 | USD | 20251125 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 776.55 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.15 | USD | 20251125 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 720.07 | USD | 20251125 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 719.86 | USD | 20251124 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 853.95 | USD | 20251124 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.55 | USD | 20251124 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 705.75 | USD | 20251124 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 804.55 | USD | 20251124 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 853.95 | USD | 20251124 |