| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |
| Shandong River Chemical Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 755.87 | USD | 20251127 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 988.99 | USD | 20251127 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.99 | USD | 20251127 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 918.35 | USD | 20251127 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 904.22 | USD | 20251127 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 946.61 | USD | 20251127 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 762.94 | USD | 20251127 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 988.99 | USD | 20251127 |