ALUMAN

Your truted building partner

ALUMINIUN WINDOWS & DOORS

Established in 2015,Grandshine developed into a professional one-stop supplier of aluminum and glass systems.State-owned background,international certified,10 years warranty and efficient service,we are a name that worthy your trust..

ROLAY

Rolay window and door is a high-end brand under Grandshine group as a pioneer in aluminum windows and doors chain store business in China. 

ROLAY SALES ENQUIRIES