| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 929.3 | USD | 20251014 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 767.38 | USD | 20251014 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 760.34 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 788.5 | USD | 20251014 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 788.5 | USD | 20251014 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 802.58 | USD | 20251014 |
| Wuhan Hengjiu Chemical Co., Ltd. | China national standards | MT | 795.54 | USD | 20251014 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 767.38 | USD | 20251014 |