Warmly celebrating the... 2007-03-01 Company successfully passed... 2007-01-19 Norwegian guests from... 2006-12-28 Expanding production scale,... 2006-12-27 Qinhuangdao North Metal Hose Co., Ltd. is located in the beautiful seashore city --Qinhuangdao. It is a new high-tech enterprise, mainly engaged in the research, development and manufacture of the metallic bellows