The performance indicators of air-tightness, water-tightness and so on have gone beyond the advanced international level  Specification:        Superior performance. The performance indicators of air-tightness, water-tightness and so on have gone beyond the advanced world standard;       Integrated applications of shading, decoration (grilles), ventilation and other functions;       Diversity and individuality of products, as well as the matching designs with different buildings;      Application of many patented technologies and new energy-saving technology, significant energy-saving effect;      Orderly procedures of procurement, design, production and installation, scientific and strict quality control system.   Description

Materials:	Larix gemlini  aluminium
Aluminium:	High-grade precision aluminium
Color type:	brown,blackish green,steel gray,white,light cream-colored and so on.
Hardware	Roto from Chinese top factory
Gasket	Schlegel Q-lon from oversea
Paint	Rhenocoll water based paint from Oversea
Wind pressure of performance	the country of eighth-grade standard
Air permeability	positive, negative pressure is a seventh grade
Water permeability	the fifth of the country-standard
Insulation performance	the ninth of the country-standard
Sound insulation performance	The sixth of the country-standard

  Qualification certification

sliding zinc-plated aluminium temped window