... of 2000, though the efforts of Huachenweida Company, the international market of GXHN has covered North America, South America, ... market leadership in the domestic and favorable position in international markets. Each GXHN Cylinders are produced according to ISO9001 ... sets testing machine 5 sets bending machine equipments 13 national patents of Telescopic Cylinders 400 staff , 28 Technical engineers, ...