| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.28 | USD | 20251203 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.28 | USD | 20251203 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1116.54 | USD | 20251203 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 989.34 | USD | 20251203 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1201.35 | USD | 20251203 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1060.01 | USD | 20251203 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1243.75 | USD | 20251203 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 961.08 | USD | 20251203 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1031.74 | USD | 20251203 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1087.66 | USD | 20251202 |