| Vendor | Spec | Unit | Price | Currency | Date |
| Nanjing Runsheng Petrochemical Co., Ltd. | China national standards | MT | 958.85 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1106.91 | USD | 20251023 |
| Shandong Laya Chemical Co., Ltd. | China national standards | MT | 1001.16 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1283.17 | USD | 20251023 |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 1043.46 | USD | 20251023 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1254.97 | USD | 20251023 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1254.97 | USD | 20251023 |
| Liaocheng Runheng Chemical Trading Co., Ltd. | China national standards | MT | 839.0 | USD | 20251023 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 831.95 | USD | 20251023 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1128.06 | USD | 20251023 |