| Vendor | Spec | Unit | Price | Currency | Date |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1032.05 | USD | 20251204 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1215.84 | USD | 20251204 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.6 | USD | 20251204 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.6 | USD | 20251204 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.6 | USD | 20251204 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.6 | USD | 20251204 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1272.39 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1088.6 | USD | 20251204 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1272.39 | USD | 20251204 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |