Double slope roof activities of the board 
 ◆ contract all kinds of special activities in housing design, production, processing and installation, and launch a nationwide mobile home sales, lease, dismantling, restructuring, repurchase, and warehousing business: 
 ◆ single-layer pitched roof board room, board room of double pitched roof, three-slope roof board room; 
 ◆ luxurious board room of single-layer flat roof, double flat roof luxurious board room;