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| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 972.53 | USD | 20251017 | 
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1099.38 | USD | 20251017 | 
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 810.44 | USD | 20251017 | 
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 806.21 | USD | 20251017 | 
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 806.21 | USD | 20251017 | 
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 1268.52 | USD | 20251017 | 
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1127.57 | USD | 20251017 | 
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 806.21 | USD | 20251017 | 
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 806.21 | USD | 20251017 | 
| Shandong Mengkangda Chemical Co., Ltd. | China national standards | MT | 803.39 | USD | 20251017 |