| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 720.76 | USD | 20251201 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 855.01 | USD | 20251201 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.55 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 847.95 | USD | 20251201 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 727.82 | USD | 20251201 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 855.01 | USD | 20251201 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 706.62 | USD | 20251201 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.88 | USD | 20251201 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 720.76 | USD | 20251201 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.88 | USD | 20251201 |