| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1078.71 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1043.46 | USD | 20251023 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 1311.37 | USD | 20251023 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 987.06 | USD | 20251023 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1071.66 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1283.17 | USD | 20251023 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 881.3 | USD | 20251023 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 831.95 | USD | 20251023 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.49 | USD | 20251022 |