A, material differences, one penny Aluminum profiles: the difference between the price of the brand profiles of the first, second and third line manufacturers; hardware: there are original imported, joint venture, domestic hardware price high, medium and low quality difference, according to investment matching. Glass: divided into three layers, double glass, single glass according to the number of layers; double-sided tempered, single-sided tempered, non-tempered according to tempering; double-glass hollow separated by 5+15A+5, 5+12A+5, 5+9A+ 5; Sanbo has 5+9A+5+9A+5, 5+6A+5+6A+5; use glue: glass glue, tight seam glue, styrofoam, pay attention to whether it is environmental protection and weather resistance products. B, each door and window manufacturers have different positioning, the cost is different Market Positioning: Each company's management methods, management level and its own resources, people, wealth, and materials are subject to different pricing; Equipment differences: such as double-head saw sub-precision digital display digital display and ordinary processing type, the length error value differs several times; if the hardware lock has a special punching machine, some hand drills use a large round hole instead of the square hole to relax Unable to fix the difference, it must be understood after comparing the factory. Second, what is the need for accurate quotation of doors and windows To see the door and window design and construction drawings, door and window table, door and window design requirements three elements, calculate the amount of engineering materials, opening methods, accessories positioning, yarn fan, glass and other factors, use the computer to calculate the exact unit price per square meter. Dewalt Boots,Carhartt Work Boots,Carolina Work Boots,Slip On Work Boots Huaying Shoes Co. Ltd , https://www.hya3shoes.com
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I. The price component and difference analysis of doors and windows