4. scaffolding in construction need to change the original structure, increasing the height (width), instead it down with, etc., shall be subject to verification technology sector, and by the approval. (B) technical requirements for steel scaffolding materials used must meet the following requirements: 1. The pipe diameter should be 48 ~ 51mm Fuzhou scaffolding sale, scaffolding Fuzhou 3 ~ 3.5mm wall thickness, length of 2.1 ~ 2.8m and 4 ~ 6.5m appropriate Fuzhou scaffolding manufacturers, severe corrosion, bending, cracks, damage may not be used. 2. Fasteners should be pre-qualified to prove, where brittle deformation, slide wire shall not be used. (3) the underlying pitches should be less than 2 m. (4) take a long pole can be used in addition to the top lap top step, the rest of the layers of each step must be butt joints fastener connection (special case when using technology demonstration must overlap). Pole docking fastener should be staggered: two adjacent pole connector should not be set in sync within Fuzhou scaffold rental, two synchronized across a pole apart within joints staggered in height direction a distance of not less than 500 mm; Each joint center to the master node distance of not more than 1/3 of pitches; lap length of not less than 1m, should be fixed at least two rotating fastener, fastening the ends of the rod end to cover the edge distance of not less than 100mm. Fuzhou Fuzhou Mingguang scaffolding scaffolding _ (certified) _ Fuzhou, Fuzhou Mingguang scaffolding provided by steel frame construction projects Leasing Limited. Fuzhou Mingguang steel frame construction projects Leasing Co., Ltd. (www.fzmgjsj.com) (http://www.fzmgjsj.com) is Fuzhou, a leader in site construction materials, over the years, the company is implementing the scientific management, innovation and development, honesty trustworthiness policy, and satisfy customer needs. In Fuzhou Mingguang scaffolding leadership with the staff warmly welcome all inquiries negotiations to create scaffolding Fuzhou Mingguang a better future. You can also access (http://www.fzmgjsj.com/supply_details_39296282.html), for more information about the company.