| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.06 | USD | 20251113 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1185.35 | USD | 20251113 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.06 | USD | 20251113 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.06 | USD | 20251113 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.06 | USD | 20251113 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1171.77 | USD | 20251112 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.59 | USD | 20251112 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.59 | USD | 20251112 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.59 | USD | 20251112 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1185.89 | USD | 20251112 |