shijiazhuang helv co.,ltd,
specialized company for valves include gate valve , ball valve ,
globe valve, butterfly valave , check valve , pressure release
valve, hydraulic control valve, etc. main materials include cast
iron , cast steel , stainless steel , etc.
products are exported America, Brazil ,Peru, Australia, Qatar,
Romania, UAE, New Zealand, Saudi Arabia, Guatemala, Pakistan, and
so on .
