| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 408.87 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 380.67 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 345.42 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 352.47 | USD | 20251024 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 383.49 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 331.32 | USD | 20251024 |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 352.47 | USD | 20251024 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 366.57 | USD | 20251024 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 267.88 | USD | 20251024 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 267.88 | USD | 20251024 |