4.2.6 demolition crane lifting operations of drivers to strictly enforce the rules. Signal commanding officers must provide "lifting and command signal" GB5082 job in accordance with current national standards. 4.2.7 dismantling steel roof, must be firmly tied a rope to the largest demolition company in Xi'an, pending demolition crane load stability Hou Xian Qualification, gas welding cutting operation can be carried out. Demolition company Xi'an lifting process manufacturers, supplementary measures should be adopted to make hanging objects in a stable state. 4.3.2 engaged in blasting demolition project construction unit, location of the project must hold legal department issued a "license to use explosives," bear the appropriate level of blasting demolition. Blasting design should have borne explosive demolition range and corresponding level of blasting technicians work permit. Demolition of the workers engaged in the construction should certificates. 4.3.3 Explosives legal department must apply to the project site, "explosives purchase a license" to purchase a specified supply points, blasting equipment prohibited gift, transfer, resell, lend. Xi'an demolition company demolition company _ quote _ Xi'an Xi'an Xi'an Rainbow Rainbow demolished by demolition Engineering Co., Ltd. Xi'an Rainbow demolition Engineering Co. (www.xarbcq.com) (www.xarbcq.com) strong, credible, in Xi'an's construction industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xi'an Rainbow demolition into the brilliant and you work for a better future!