| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1101.03 | USD | 20251029 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 906.23 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1115.14 | USD | 20251029 |
| Shanghai Guoke E-commerce Co., Ltd. | China national standards | MT | 1281.71 | USD | 20251029 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1199.84 | USD | 20251029 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1115.14 | USD | 20251029 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 906.23 | USD | 20251029 |
| Shanghai SKY Chem Industrial Co., Ltd. | China national standards | MT | 1270.41 | USD | 20251029 |
| Sinopec/sabic Tianjin Petrochemical Company Limited | China national standards | MT | 931.64 | USD | 20251029 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 931.64 | USD | 20251029 |