It looks that it is easy to produce natural ventilator, but in fact they are also industrial products with technical content. Since the creation of the ventilator, the appearance has changed. From old-fashioned air towers to new-style natural vent, from polyline type roof vents to streamlined natural roof ventilation. Secondly, for the waterproof method, it is from the silica gel waterproof to structural waterproof. Thirdly, every process including rust removal, corrosion protection, stretch bending and welding has technical content. Since its development in the field of natural ventilator, Mcwell always pay attention to technological development and innovation. Mcwell uses special rust remover to process roof smoke vent, a unified standard arc bending machine, professional welder welding, professional anti-corrosion treatment of solder joints, etc., and the details are meticulous.

Through technical research, Mcwell invented structure waterproof technology in 2010, which eliminated the hidden danger of water leakage, and was highly recognized and praised by customers.