Viewpu, the international department from Shinefan, who is a professional manufacturer of ventilator controller in Shenzhen, and we're a high-tech enterprise engaged in air quality sensor technology research, application and finished products design in Shenzhen, China.

Our R&D staff have gas sensor research experience for more than 10 years. We've designed many products for well-know manufacturers of ventilation system, integrated ceiling, purification machine and air conditioning.

About the market for controller, now we've got a very good success for the market, we've made OEM mass production for Panasonic, Aldes, Nather, and also many domestic ventilator factory.

Any interest please contact us freely.