Huanghua DongFang building materials Scientific & Technology Co,Ltd.LS a large-scale enterprise intergrating with scientiflc research,product design and development,and business.The main product is magnesium oxide board suitabie for ceilling tiles and wall partition,which are environmental and energy-saving building materials,mainly made of natural materials and plants stem as auxiliary materials. The company is located in Guan Zhuang lndustrial Distrial Huanghua city,where is the pivot of Bohai Economic Development Zone.it takes the superior geographical position ,close to 205 highway,Beijing and Tianjin on the north,bordening Shandong on the south,only 45 kilometers to Huanghua harbor on the east,and only 50 kilometers to Beijing-Shanghai expressway .The traffic is accessible