| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1031.74 | USD | 20251203 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1045.88 | USD | 20251203 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1208.41 | USD | 20251203 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1215.48 | USD | 20251203 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1081.21 | USD | 20251203 |
| Shandong Jinling Group Co., Ltd. | China national standards | MT | 1074.14 | USD | 20251203 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1173.08 | USD | 20251203 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1123.61 | USD | 20251203 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1031.74 | USD | 20251203 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1215.48 | USD | 20251203 |