90 seires sliding profile: 1.Big cross section 2.Big chamber 3.Good warter proof and air proof 4.Can be used for window,door Product nameAton UPVC profilesProfile colourWhite,Ashy,Brown,Double colour co-exstrusion,Wooden laminated etc.Size60 series sliding,60 series casement,80 series sliding,90 series sliding,103 series sliding,138 series sliding…..CertificatedISO9001:2008,ISO14001:2004, ...