| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1099.68 | USD | 20251021 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 972.79 | USD | 20251021 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 972.79 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1249.12 | USD | 20251021 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1172.99 | USD | 20251021 |
| Suzhou Xuehang New Materials Co., Ltd. | China national standards | MT | 1621.32 | USD | 20251021 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1071.48 | USD | 20251021 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1282.96 | USD | 20251021 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1254.0 | USD | 20251020 |
| China national standards | MT | 990.52 | USD | 20251020 |