| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1058.83 | USD | 20251112 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 960.0 | USD | 20251112 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 988.24 | USD | 20251112 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 790.59 | USD | 20251112 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 818.83 | USD | 20251112 |
| Jinan Jinhao Chemical Co., Ltd. | China national standards | MT | 1115.3 | USD | 20251112 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 790.22 | USD | 20251111 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 818.45 | USD | 20251111 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1143.0 | USD | 20251111 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 987.78 | USD | 20251111 |