2,4-Piperadinedione Yangzhou Princechem Co., Ltd.(former Gaoyou Organic Chemical Factory)
Jun 02,20242,4-Piperadinedione Shanghai Abotchem Co., Ltd.
Jun 04,20212,4-Piperadinedione J&H Chemical
Jan 18,20182,4-Piperadinedione Shanghai Abotchem Co., Ltd.
Nov 25,20172,4-Piperadinedione Shanghai Abotchem Co., Ltd.
Nov 23,20172,4-Piperadinedione Nantong Reform Petro-Chemical Co.,Ltd.
Mar 09,20172,4-Piperadinedione Daming Changda Co.,Ltd.
Nov 02,20162,4-Piperadinedione Chemieliva Pharmaceutical Co., Ltd
Jun 30,20152,4-Piperadinedione Shenyang Bomei Pharmaceutical New Technology Development Co.,Ltd.
Dec 24,20132,4-Piperadinedione Wilcan Chemical Industry Co., Ltd.
Aug 12,2013