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  • Name: Uw≤1.27w/m2.k,Rocky Windows and doors got the bid of the German business centres passive window project
  • Time: 2015-05-22

After Rocky energy-saving glass got the bid of  the passive construction curtain wall project of German business center , our group Rocky new pattern windows and doors company won the bid as well . With the whole window 1.27 K value test results, as the only company to meet the design standards successfully won the bid.

Germany in design of passive window, aluminum alloy structure, outside opening , requirements for the heat transfer coefficient U value less than 1.3 W/(M2. K) ,it is very difficult to design and manufacture. Since August 2014, the construction party has repeatedly invited the bid and more than ten enterprises have participated in but failed as they are unable to meet the technical requirements and standard.Rocky Windows and doors at the end of last year to participate in the project and together with the technology research and development persons with strong understanding on the properties of glass and aluminum, after repeated calculation and experiment for many times, and have close cooperation with the brother companies, engravde a new mould, fill the new material, spend a month of time, took out our own design research and development of the samples.   Got through the survey of SGS Shanghai international inspection agencies inspection, U value of 1.27 W/(M2. K), higher than that of design standards, and at the same time another well-known enterprises was failed that provided samples tested with slight difference than the standard deviation of 0.04.The head of the project owner pleased to take a  deep breath when they finally heard of the samples passed the test.

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