HEBEI ZHOUCONG IMP AND EXP CO.,LTD. Z-Smartflex, first opend in 2017Industrial Hose china .Located in Shijiazhuang,Hebei, the company has been eminently successful in developing and marketing a complete line of industrial hose,plastic hose, hydraulic hose and fittings. hydraulic hose manufacturers Today, Hebei Zhoucong Imp