| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.18 | USD | 20251201 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1271.92 | USD | 20251201 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 1695.9 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.71 | USD | 20251201 |
| Nantong Zhonghe Chemical New Material Co., Ltd. | China national standards | MT | 1582.84 | USD | 20251201 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 1568.71 | USD | 20251201 |
| Jiangsu Yangnong Chemical Co., Ltd. | China national standards | MT | 1483.91 | USD | 20251201 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 1625.23 | USD | 20251201 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1512.18 | USD | 20251201 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1582.84 | USD | 20251201 |