| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 607.78 | USD | 20251206 |
| Shandong Qiangsen Chem | China national standards | MT | 508.84 | USD | 20251206 |
| Jinan Qi Mat | China national standards | MT | 513.08 | USD | 20251206 |
| Qingdao Shengze Chem | Polyester Grade | MT | 513.08 | USD | 20251206 |
| Beijing Yanshan Petro | China national standards | MT | 692.59 | USD | 20251206 |
| Shandong Hualu | Polyester Resin Grade | MT | 513.08 | USD | 20251206 |
| Chengdu Rongjiaxin Chem | China national standards | MT | 678.45 | USD | 20251206 |
| Shandong Hualu | Polyester Resin Grade | MT | 513.08 | USD | 20251206 |
| Shandong Zhenkun | China national standards | MT | 607.78 | USD | 20251206 |
| Qingdao Shengze Chem | China national standards | MT | 513.08 | USD | 20251206 |