1.plastic pvc profile for door&window 2.surpass GB/T8814-2004, ... grade 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 and son on ...