| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 1240.33 | USD | 20251017 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1113.48 | USD | 20251017 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 993.41 | USD | 20251016 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 993.41 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1127.27 | USD | 20251016 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1106.13 | USD | 20251016 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1014.54 | USD | 20251016 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1113.18 | USD | 20251016 |
| Sinopec Shanghai Gaoqiao Petrochemical Company | China national standards | MT | 993.41 | USD | 20251016 |