| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 988.85 | USD | 20251128 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 861.72 | USD | 20251128 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1017.11 | USD | 20251128 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.22 | USD | 20251128 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 988.85 | USD | 20251128 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 974.73 | USD | 20251128 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 960.74 | USD | 20251127 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 918.35 | USD | 20251127 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 918.35 | USD | 20251127 |
| Shandong Luxi Chemical Co., Ltd. | China national standards | MT | 1017.25 | USD | 20251127 |