Aluminium profile for windows and door 1.Mill,Anodize,Powder Coating,etc 2.Cutting,Punching,drilling, milling is availble. Aluminium profile for windows and doorOur main ... line,new Anodize machine,cuting and drilling manchine and so on."3.Over 70 Quality Control Engineers, will inspect ... terms also .Our QualityWe have 70 Quality Control Engineers and their assistants, and we also have a lot of testing ...