| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 1043.0 | USD | 20251017 |
| Zibo Lishuo Chemical Trading Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 1169.85 | USD | 20251017 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1191.0 | USD | 20251017 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 916.15 | USD | 20251017 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1155.76 | USD | 20251017 |
| SINOPEC Maoming Petrochemical Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251017 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1191.0 | USD | 20251017 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 986.62 | USD | 20251017 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1113.48 | USD | 20251017 |