| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.96 | USD | 20251210 |
| Shandong Zhongke Taihua New Material Co., Ltd. | China national standards | MT | 946.96 | USD | 20251210 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 855.09 | USD | 20251210 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 855.09 | USD | 20251210 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.62 | USD | 20251210 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 805.62 | USD | 20251210 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 706.68 | USD | 20251210 |
| Shandong Wonfull Petrochemical Group Co., Ltd. | China national standards | MT | 749.08 | USD | 20251210 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 749.08 | USD | 20251210 |