China Hengyutai Co.,Ltd. is major producer of Phthalide in China Other names: Phthalide; 1-Phthalanone; 87-41-2 Usage: Phthalide is used in the synthesis of several pharmaceutical drugs, also can be used in agriculture and plastic industrial Capacity: 1000-2000Ton per year Add: Qinchuan park, lanzhou new district, lanzhou city Tel：0086-13370695839 sales@chinahengyutai.com http://www.chinahengyutai.com