Hangzhou DFTA Chemical Technology Co., Ltd.is the enterprise which combines research development with production, and owns chemistry department and equipment department. Chemistry department mainly includes synthesis and production of fine chemicals and pharmaceutical intermediates, technical consultation, technical extension and result transfer of relative chemical products. Equipment department mainly offers (1)independently develop and manufacture new equipments which can produce varieties of HDPE structural wall burrowing big caliber drain pipe materials(2)product forming production equipment which produces all kinds of PVC, PE and other compound materials. (3)extension and results transfer of plastic pipe production technology.