Metal roof beams keyword: hinged roof beams, metal beam, π-type long beam, row-beams, hinged beam of metal hinged roof beam it can be used with various types of monomers, metal pillars with the composition of the metal bracket for the coal mines in the level of and slow are inclined stope and nose or other larger control top area use. Can long span cantilever retaining control top area of ??the roof to achieve face large pillars supporting the work space. I plant specializing in the production of metal roof beams, double wedge roof beams, cross roof beams, B-type roof beams, long top beam, long beam, π-type long beam, π-type beams and other mining support equipment hinged roof beams accessories: section head, around the ear plate arc pin, round pin, horizontal wedge retaining ring professional production DJB hinged roof beams, hinged roof beams 1 m, 1.2 m articulated beam, Metal hinged roof beam, metal hinged roof beams technical parameters: 1: Material: 27simn 2 Weight 0.7kg / m weld weight; 3: width 100mm. height of 90mm thickness: 8mm 4, carrying capacity the beam span 700mm beam centralized load; 5, every difference of 200mm model specifications an additional specification Jining City Zhuoxin Machinery Co., Ltd. (Ji Ning Zhuoxin machinery manufacturer) mainly supply the following products: W strip Π type roof beams, metal roof beams, hinged roof beams, the double wedge roof beams, cross roof beams, B-type roof beams, long top beam, long beam the Π-beam, w - beam scraper steel, 6.5 # scraper steel. In addition, I also plant the actual demand by customer processing system to do all kinds of non-standard metal beam, hinged roof beams, all products have been excesses heating modulation processing, production and processing strict accordance with national standards, quality and quantity! Welcome new and old customers call to order. Customer satisfaction is our pursuit and purpose! Contact: Jiangjing Li Mobile: 15653732939 Tel 0537 -2998821 Fax :0537 2,228,358 QQ: 1,970,907,860