| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 974.95 | USD | 20251209 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 819.52 | USD | 20251209 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1031.47 | USD | 20251209 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 989.08 | USD | 20251209 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1045.6 | USD | 20251209 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 932.56 | USD | 20251209 |
| Shandong Yihe Fine Chemical Co., Ltd. | China national standards | MT | 819.52 | USD | 20251209 |