We Offer You A High-Quality Product During Each Standard Procedure.


Each process is strictly controlled by our strong QC Department, YALIS closely tracks and monitors the quality of during the 
production process and supplier selection procedures. Each process we do not allow bad quality products to
 be sold in the market. All main fittings and components are inspected one by one, to ensure no any non-fluency 
of the handles while opening or closing the door.