... turn-tilt, tilt-sliding, single-hung, double-hung, fixed , awning window ,magnetic blinds windowSpecificationour quotation is based on customer size,accept ... products,such as shutter,casement,sliding,vertical: PVC window hardware & PVC window advantage :1.Domestic good brand in China , ... water seep into the frame to prevent form aging3.Window and door production line ,advanced facility4.Excellent air ...