inhuangdao Haizhi Technology Co.,LTD. is a manufacture of over 30 kinds of products including automatic expansion joint forming machine,metal bellow forming machine ,plate bending machine,spring bellows ,expansion joint and so on. Company is located in the state level Technical and Economic Development Zone --- Qinhuangdao E.T.D.Z that enjoys good location and convenient transportation.Company adheres to the customers&＃39; requirements, focusing on the development of foreign and domestic markets. Customers speak highly of the company because of the high quality service. It improves the innovation capacity based on customers&＃39; demand and transform advanced technology into competitive advantages and business success.