| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1173.19 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1212.67 | USD | 20251023 |
| Befar Group Co., Ltd. | China national standards | MT | 888.35 | USD | 20251023 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1029.36 | USD | 20251023 |
| Aite (Zhejiang) Supply Chain Management Co., Ltd. | China national standards | MT | 1128.06 | USD | 20251023 |
| Shandong Jinling Chemical Ao.,ltd | China national standards | MT | 1269.07 | USD | 20251023 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 1240.87 | USD | 20251023 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 1047.69 | USD | 20251023 |