3,3’,4,4’-BENZOPHENONETETRACARBOXYLIC DIANHYDRIDE(BTDA)
Shandong Dongyue Polymer Material Co., Ltd.
Domestic Sales Office：0533-8510456
E-mail：gfzxiaoshou@saia-fwjj.com
Foreign Sales Office：0533-8510071
E-mail：esales@saia-fwjj.com
