Adrès Bilding 7-16, No.188, South 4th Ring West Road, Beijing, Lachin Mail yangshan@const-mach.com chenyoufeng@const-mach.com liuyapeng@const-mach.com Telefòn Mesye Yang ： 15010377396. Mesye Chen ： 13801306377. Mesye Liu ： 15233730575. Èdtan opere Lendi-Vandredi: 9am a 6pm Samdi, Dimanch: Fèmen
