Product Description

Zhong De keeps long-term cooperation with German technology . The raw materials adopt American Dupont Titanium, British Stabilizer ,Swiss Anti-UV absorbent and Spanish ultramarine. During production process, the company imports international advanced German Green formula.Our products got the certificates of ISO***1 International Quality System Certification ,ISO****1 Certified to Environmental Management System and OHSAS ****1 Occupation Health and Safety Management System Certification.We have products of casement series and sliding series .Casement series are *0mm, *6mm and *0mm series .Sliding series are *0mm, *5mm, *0mm, *8mm,*2mm and **5mm series.