Changchun days building material co., Ltd. Founded in May 1997, major contract construction engineering, decoration engineering, electrical, plumbing, water, plastic-steel production and installation of aluminum alloy doors and Windows, business central air conditioner, split air conditioning, lighting, audio, PABX, computer networks and other modern office facilities at home and installed.

1998 on the new day (DT) multilayer polymer composite waterproofing membrane production line, annual production capacity of 1 million square meters, for new waterproofing volume material market need, and we will continue to expand.2003 years new Shang to days (DT) color aluminum doors and Windows line, has structure reasonable, and technology superb, and energy saving insulation, and decoration sexual good, and price always, advantage and features, since listed yilai, has been was general new old customer of favored and praise, it is traditional of China love, and China knot and modern decoration of perfect fusion, makes you of home both ancient elegant, and many modern breath, are has became led home ornaments industry of model of for.

the company has high-intermediate technical experts, has extensive experience in building waterproof, day color aluminum doors and Windows that better suits your personalized and requirement of the building door and window market, the company integrates scientific research, marketing, technology development, transfer and construction of integrated, aspired to play for the construction industry.