Weifang Yada Steel Structure Engineering Co.,Ltd. headquartered in the beautiful capital of -Changle Shandong.We are specialized in designing,manufacturing,construction and marketing of the prefabricated house,steel structure.We produce PU, EPS,ROCK WOOL,FIBER GLASS WOOL core sandwich panel and all kinds of elements for steel structure directly.Our daily capacity is large 4000 square meters per day.3 production lines for prefab house seriers.2 production lines for light-steel structure house series.Our factory have passed SGS factory Evaluation and ISO9001:2000 quality certification.We are looking forward to cooperating with you for long-term business relationship and mutual benefit.and you are most welcome to visit our factory for further discussion.