| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 359.76 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.7 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 380.92 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.7 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 331.54 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.81 | USD | 20251027 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 345.65 | USD | 20251027 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 268.05 | USD | 20251027 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 268.05 | USD | 20251027 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 282.16 | USD | 20251027 |