| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 987.29 | USD | 20251105 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 789.83 | USD | 20251105 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 789.83 | USD | 20251105 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 881.51 | USD | 20251105 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 888.56 | USD | 20251105 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 818.23 | USD | 20251104 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1058.05 | USD | 20251104 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1142.7 | USD | 20251104 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 790.01 | USD | 20251104 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 881.71 | USD | 20251104 |