Teng Yi Network Technology Co., Ltd.is an Integration of new enterprise specialize in designing,producing and selling PVC flexible duct,PE flexible duct,high temperature duct.insulated duct as well as portable ventilator,explosive-proof ventilator. We own advanced equipment and experienced technical staff, Committed to research and develop all kinds......Detail
Teng Yi Network Technology Co., Ltd.is an Integration of new enterprise specialize in designing,producing and selling PVC flexible duct,PE flexible duct,high temperature duct.insulated duct as well as portable ventilator,explosive-proof ventilator.
