| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.43 | USD | 20251125 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 797.73 | USD | 20251125 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.43 | USD | 20251125 |
| Shandong Mingyu Supply Chain Management Co., Ltd. | China national standards | MT | 868.33 | USD | 20251125 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1030.69 | USD | 20251125 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1411.91 | USD | 20251125 |
| Baozhen Chemical (Shandong) Co., Ltd. | China national standards | MT | 1411.91 | USD | 20251125 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 903.62 | USD | 20251125 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 780.79 | USD | 20251125 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 797.73 | USD | 20251125 |