| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 904.81 | USD | 20251204 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1102.74 | USD | 20251204 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 911.88 | USD | 20251204 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 933.09 | USD | 20251204 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1131.01 | USD | 20251204 |
| Shandong Daoqin Chemical Co., Ltd. | China national standards | MT | 947.22 | USD | 20251204 |
| Nanjing Waien Chemical Technology Co., Ltd. | China national standards | MT | 926.02 | USD | 20251204 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 890.67 | USD | 20251204 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1201.7 | USD | 20251204 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 904.81 | USD | 20251204 |