| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1115.88 | USD | 20251126 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1115.88 | USD | 20251126 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1144.13 | USD | 20251126 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1179.45 | USD | 20251126 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 1115.88 | USD | 20251126 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1144.13 | USD | 20251126 |
| Befar Group Co., Ltd. | China national standards | MT | 1144.13 | USD | 20251126 |
| Dongying Huatai Fine Chemical Co., Ltd. | China national standards | MT | 1115.88 | USD | 20251126 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1175.21 | USD | 20251126 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1200.63 | USD | 20251126 |