| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1088.6 | USD | 20251204 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1272.39 | USD | 20251204 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1046.19 | USD | 20251204 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1272.39 | 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 Aite Chemical Co., Ltd. | China national standards | MT | 1145.15 | USD | 20251204 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |
| Hangjin Technology Co., Ltd. | China national standards | MT | 1088.6 | USD | 20251204 |