Price part a, doors and Windows and variance analysis
A, materials, a penny stock
Aluminum profiles: there are one, two or three manufacturers brand profile price differences between hardware: imported high, medium and low quality, joint ventures,domestic metal price difference, according to investment selection. Glass: layer three glass, double glass, single glass; by tempered double sided steel, single-sided tempered and non-tempered; double glass and hollow separated by 5+15A+5, 5+12A+5, 5+9A+5; c glass 5+9A+5+9A+5, 5+6A+5+6A+5; use of plastic: plastic glass, dense stitching rubber, foam rubber, note whether it is environmental protection andweather resistant product.
B, the door and window manufacturers locate different cost differences
Market orientation: the enterprise mode of operation, management and resources,money, many factors external pricing varies;
Equipment differences: double head saw precision CNC digital indicator with normal processing, error costs several times more than in length; such as installed hardware and lock with special punching machines, some with hand drill with circular hole replaced the square hole of time differences such as lax could not be fixed, comparing him to understand.