| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1072.31 | USD | 20251121 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.37 | USD | 20251120 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1255.2 | USD | 20251120 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1212.89 | USD | 20251120 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1269.3 | USD | 20251120 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1180.45 | USD | 20251120 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.37 | USD | 20251120 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1029.55 | USD | 20251120 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1142.37 | USD | 20251120 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1142.37 | USD | 20251120 |