The manufacturing process is quite complicated and includes such stages as extrusion, aging, anodizing, electrophoresis, powder coating, PE film, slot packing, and Shenghai brand. We provide the regular quality control per each stage. For that reason, the Shanghai products meet the European quality and safety recommendations. Our products have all the certificates and other necessary documents. Our broad spectrum of profile options gives you endless possibilities in creating out-of-the-ordinary and artistic designs.