| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 803.18 | USD | 20251016 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 937.04 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | Industrial Grade | MT | 908.86 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 901.81 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 944.09 | USD | 20251016 |
| Shandong Wells Chemicals Co., Ltd. | China national standards | MT | 908.86 | USD | 20251016 |
| Shandong Fushengyong Trading Co., Ltd. | China national standards | MT | 901.81 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 845.45 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 951.13 | USD | 20251016 |