售后服务
线上技术支持, 现场安装, 现场指导, 现场检测, 免费备件
Watertightness
inner design easy to draining water
Sealing
imperforate sealant ,good sealing performance
Profile inner structure
easy to drain off water ,anti-aging
surface treatment
coated profile,Double-color co-extrusion
Performance
seamless joint ,good sealing performance