stiffener for windows and doors

_{Plastic steel window and door}

_Advantage:

_{1, Long using life, above 30 years.}

_{2, Hard to deformed and unwund.}

_{3, Energy save.}

_{4, Good heat keeping and isolating.}

_{5, Airproof and sound insulaton.}

_{6, Good in electcity Insulating.}

_{7, Good acid and alkali resistant.}

_{8, Hard to burn.}

_{9, Good style looking.}

_{Specification:}

_{1, Against acoustcialpermeation.}

_{2, Almost without deformation and distortion.}

_{3, Keep the hot and cold air out of the window.}

_{4, Corrosion resistant.}

_{5, Retarde combustion.}

_{6, Airtight against water.}

Production & Packing Line