JieAo building materials co., LTD., founded in 2011, research and development security fire hardware in 2014, the first generation of fireproofing hardware in 2015, has six years through, the six years of practical experience, porsche 2020 Macao comprehensively launched the third generation of fireproofing hardware system, covering fire refractory aluminum alloy plastic steel window with flat within a flat open hanging outside the window open, open the hanging hardware system for fire protection, etc
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