| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 1130.12 | USD | 20251128 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1638.67 | USD | 20251128 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1151.31 | USD | 20251128 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 1638.67 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1539.79 | USD | 20251128 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 1695.18 | USD | 20251128 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 1582.17 | USD | 20251128 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1059.49 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1539.79 | USD | 20251128 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1539.79 | USD | 20251128 |