| Vendor | Spec | Unit | Price | Currency | Date |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1130.52 | USD | 20251208 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.12 | USD | 20251208 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1095.19 | USD | 20251208 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1215.31 | USD | 20251208 |
| Befar Group Co., Ltd. | China national standards | MT | 890.28 | USD | 20251208 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1123.45 | USD | 20251208 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 989.41 | USD | 20251207 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251207 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251207 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1088.35 | USD | 20251207 |