In 1972, Longtai was established as a professional R&D manufacturer in Taiwan for “SUS304 Stainless Steel” spiral flexible venting/exhaust air duct. Longtai is specialized in the production of high-quality, low-priced, and most popular indoor/outdoor venting/exhaust air duct, whether it is the inlet and outlet of general indoors, kitchens, and bathrooms.

The “SUS304 Stainless Steel” spiral flexible venting/exhaust air duct are conduits or passages used in heating, ventilation, and air conditioning (HVAC) to deliver and remove air. The structure is made of spiral continuous tight buckle, or optionally add the PES78 heat shrinkable film to be highly increased itself flame-resistant, pressure-resistant, temperature-resistant, airtight and non-toxic.

Our service scope is “air duct/HVAC duct/rangehood venting duct/(gas) water heater exhaust pipe/gas dryer vent duct/gas fittings and connectors pipe and any building air duct for venting air duct or exhaust air pipe duct.”