| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 816.96 | USD | 20251015 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 880.34 | USD | 20251015 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 887.39 | USD | 20251015 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.98 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1056.41 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1140.93 | USD | 20251015 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1140.51 | USD | 20251014 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1056.03 | USD | 20251014 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 985.62 | USD | 20251014 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 880.02 | USD | 20251014 |