Zhejiang Longmen Steel Structure Co., Ltd is a large-scale modern steel structure enterprise, which can design, fabricate and erect steel structure buildings. It is located in Moshan Industrial Development Zone of Yuyao, China, next to the Expressway between Shanghai and Ningbo. The company covers an area of more than 130 Mu with total construction area of fifty thousand square meters. The first-period investment is up to RMBÂ¥150 million. It has advanced BH structure production line, BOX pillar structure production line and Cross Strong pillar structure production line, etc. There are 6 production lines of the construction of structural steel and the maintenance system of new roof-and-wall. Its products cover the following fields: many stored, high-rise and super high-rise structural steel buildings for business and for residence; structural steel for large spanned space constructions like airport buildings, hangars, conference and exhibition centers; structural steel for bridges of railway, highway and roads within cities; structural steel for power plants and various industrial structural steel constructions such as the big Steel & Iron plant, chemical workshops and warehouses. The company has obtained the National Class One certificate of steel structure. Quality Certificate of ISO9001 has also been granted by the national authorities. Now it has more than 100 technology and management employees. It can manufacture about 3000 tons of steel elements per month. At the same time it has the capability to construct and install 200000 square meters structural steel buildings per year