| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 720.71 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 714.35 | USD | 20251208 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.77 | USD | 20251208 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 714.35 | USD | 20251208 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 714.35 | USD | 20251208 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 854.95 | USD | 20251208 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.49 | USD | 20251208 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.89 | USD | 20251208 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 854.95 | USD | 20251208 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 713.64 | USD | 20251208 |