3,3’,4,4’-BENZOPHENONETETRACARBOXYLIC DIANHYDRIDE(BTDA)
Shandong Huaxia Shenzhou New Material Co., Ltd.
Domestic Sales Office：0533-8519966
E-mail：15553327277@huaxiashenzhou.com
Foreign Sales Office：0533-8521777
E-mail：wakiezhou@huaxiashenzhou.com
