Lantian Group, founded in 2001, has established six subsidiaries in succession including?Shandong Lantian Steel Sheet Co., Ltd., Shandong Lantian Steel Structure Project Co., Ltd., Shandong Ruichen Industry & Trade Co., Ltd., Shandong Boxing Lantian Color Steel Industry & Trade Co., Ltd. and Huantai Yongxing Machinery Factory .Shandong Lantian Steel Sheet Co., Ltd is specialized in large-scale production, research and sales of new building materials, galvanized steel , color coating steel and stone machineries. And it took leading in gaining quality management system of ISO9001:2008 in 2007.