Xi'an Rainbow Demolition Engineering Co., Ltd. (Xi'an sun demolition company) on April 22, 2011 approved the incorporation by the competent authorities, with national three qualified enterprises, the enterprises have advanced machinery and equipment and a team of experienced engineers and technicians personnel, construction management and construction teams trained. Currently, the company is making a steady pace, in order to fight the trend among the industry's elite. Enterprise employees 25 people, including management staff of 10 people, a large, secondary or higher staff of 15 people, 12 people have all kinds of professional titles, intermediate grade 3, 10 junior titles.