... process. At the intersection point of flat steel and horizontal pole, press horizontal pole into loading flat steel, then fixed it. ... center space: 30mm, 40mm, 50mm, 100mm.Size of horizontal pole: 10x2mm, the center space : 50mm, 100mm.Type of press ... style is refined features.Application: Be widely used in civil and commercial building, theatres, subway, passenger such municipal engineering field ...