| The
door and window of plastic & steel is one new kind of product
after wood、steel and aluminium alloy.Dahu Industry regards"Innovate
top engineering,offer good service"as its tenet,dedicate
into the development and application of plastic material.Its
main product series of "Hengsheng"brand owns 8 characteristics:
1.The main material
is enlarged steel-liner cavity and designed the heat preservation
cavity,enhanced the ability of resisting wind and sound insulation.
2.The design of incline 5°inner make the water smooth.
3.Fitted size, the reasonable structure of connecting size,full
function with a good currency of hardware collocation.
4.Unite the serieses of hair trough、pressure trough and al-track
trough with easy fitting.
5.With a good resisting impact,no dilapidation of low temperature
drop hammer.
6.Endure aging,30-50 years'non-depimentation through State
Chemical Building Test Centre proved.
7.Enhanced lighting area 20%,and increase 10% the manufacture
rate of window.
8.With 90°arc corner.
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