| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250927 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1011.92 | USD | 20250927 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1075.16 | USD | 20250927 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1054.08 | USD | 20250927 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 941.65 | USD | 20250927 |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 1293.01 | USD | 20250927 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1264.9 | USD | 20250926 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1124.35 | USD | 20250926 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1044.24 | USD | 20250926 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1025.97 | USD | 20250926 |