... and best price!!!!! Nantong Sanzhong Pipeline Co., Ltdgreen house, garden tools,canopy, steel pipewe produce steel pipe,green ... CHINATARGET MARKETBrazil ,Malaysia, America,Indonesia,Nigeria,Ethiopia,Jordan, Dubai,Spain,Poland,etc.CAPACITY 144000TONS PER YEARCOMPANY INFO.Professional & reputed ... both ends;high power ventilator is equipped inside the house to draw out hot air with forced ventilation, ...