Beijing Li Qun Industrial Trade Co., Ltd. was established in 2004.With a class qualification, the company is specialized in contract steel structure project, integrating design, manufacture and construction. We are engaged in building all sorts of industry and civil steel structure houses.The products include:light and heavy steel structure system,colored steel rolled plate and knockdown floor slab series,colored steel sandwich panel(rock wool,poly phenylene EPS,polyurethane PU)series,prefabricated house series.With the first-grade design, excellent manufacture technology, specialized...