| Vendor | Spec | Unit | Price | Currency | Date |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1057.02 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1092.26 | USD | 20251022 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1042.93 | USD | 20251022 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 1179.64 | USD | 20251022 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 986.55 | USD | 20251022 |
| Shinghwa Advanced Material Group Co., Ltd. | China national standards | MT | 1226.15 | USD | 20251022 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1042.93 | USD | 20251022 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1205.01 | USD | 20251022 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1268.43 | USD | 20251022 |