| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chemical Group Co., Ltd. | China national standards | MT | 1002.36 | USD | 20251112 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1101.18 | USD | 20251112 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 974.12 | USD | 20251112 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 974.12 | USD | 20251112 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 889.42 | USD | 20251112 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 889.42 | USD | 20251112 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1250.83 | USD | 20251112 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1174.59 | USD | 20251112 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 889.42 | USD | 20251112 |
| Shandong Hanyue Chemical Co., Ltd. | China national standards | MT | 889.42 | USD | 20251112 |