| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 911.62 | USD | 20251210 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Haili Chemical Industry Co., Ltd. | China national standards | MT | 1173.1 | USD | 20251210 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 918.69 | USD | 20251210 |
| Guangzhou Tianyue Chemical Co., Ltd. | China national standards | MT | 1215.5 | USD | 20251210 |
| Zibo Zhongsheng Chemical Co., Ltd. | China national standards | MT | 1272.03 | USD | 20251210 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 954.02 | USD | 20251210 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1130.69 | USD | 20251210 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 932.82 | USD | 20251210 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1173.1 | USD | 20251210 |