About Us

About Us

20+ Years of Production Experience

  • 160 +
    Exporting Countrys
  • 530 +
    Number of employees
  • 500 +
    Real Cases
  • 5000 +
    Square Meters

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1952
In 1952, the Second Construction Company of the Northeast Engineering Administration of the Construction Department was established in Shenyang City;
1971
In 1971, the 21st Squad was reformed as a repairing squad;
1983
In1983, it was reformed into the Repairing Factory of the 4th Construction Engineering Company of the China Construction 7th Bureau from for Army to for industry;
1996
China’s aluminum profile output grew steadily, surpassing the US to rank first globally in 2002. From 1997 to 2001, primary and scrap aluminum output rose by 12% annually, making China the world’s largest producer of primary and scrap aluminum in 2001.