Located in Shandong Province of China, Shandong Wiskind is the largest Steel Building Materials Manufacturing Factory in Northern China. We have been dedicated in manufacturing and engineering steel structure projects for over 30 years. Our company has successfully passed the ISO 9001 and ISO 14001 certification. We have branch companies and offices in Shanghai, Qingdao, Yantai, Dalian,Shenyang, Chengdu, etc. There are 1400 Staff in our company. Wiskind Group occupies 1200,000 sqm. Our Steel Structure output is 100000 Ton annually. Portable Building output reached 49474.77 sqm in 2008. Sandwich Panel output is 3,200,000 sqm annually. And Corrugated Sheets annual achievement is 5,800,000 sqm.