Qingdao Tianhe Steel Structure Co., Ltd ,Qingdao Tianhe Metal Structure Technology Co., Ltd. Located in Qingdao, Shandong, China. It is a professional company that has First Class certificate for steel structure manufacture ,Second Class certificate for steel building construction and Second Class certificate for steel building design. The company obtained ISO9001-2008 quality system certification. "Quality first, integrity-based" is the company's business philosophy.Our company acquired gold ...   |