| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1269.9 | USD | 20251119 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 1072.36 | USD | 20251119 |
| Henan Kaixiang Chemical Co., Ltd. | China national standards | MT | 1072.36 | USD | 20251119 |
| Zhejiang Huguang Technology Co., Ltd. | China national standards | MT | 1015.92 | USD | 20251119 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1072.36 | USD | 20251119 |
| Henan Kaixiang Chemical Co., Ltd. | China national standards | MT | 1072.36 | USD | 20251119 |
| Henan Kaixiang Chemical Co., Ltd. | China national standards | MT | 1072.6 | USD | 20251118 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 987.92 | USD | 20251118 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 987.92 | USD | 20251118 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1072.6 | USD | 20251118 |