Inkcazo ephezulu i-China C yokuQinisekisa ukuKhanya kwe-Keel yokwenza uMatshini we-2020 uNyaka oshushu uThengisa i-Automatic C Stud kunye ne-Truss i-Aluminium Strip ye-Ceiling Board Roll eyenza umatshini wokwenza umatshini omisiweyo weGridi kwisitokhwe