1.plastic PVC Profiles for window&doors 2.surpassGB/T8814-2004,3A, ... hardware,heat preservation,sealed performance is superior. 1.material:extruded plastic pvc 2.feature:easy installation,good aging resistant,no-erosion ... /T8814-2004/3A,SGS 5.used:buliding window&doors and plastic frame 6.market:Japan,Europe,Germany,Fench Korea and son ...