Founded in 2008, Viewpu (international business department of Shenzhen Shinefan Electronic Technology Co., Ltd) is located in the high-tech industrial zone of Nanshan District. We are the only professional high-tech enterprise engaged in air quality sensor technology research, application and finished development design in China. Our company has many R & D staff that is in the field of gas sensor research more than 10 years. Relying on a deep technical background and lots of experience in product development, we have designed a variety of products for well-known manufacturers of ventilation system, integrated ceiling, purification machine and air conditioning. Excellent cost-effective, advanced control and stability of the long-term use are the salient features of our products and services, and we have been praised by the customers at home and abroad. Viewpu has always been known for their revolutionary range of high-tech products. The product range includes: air quality sensors, temperature sensors, temperature transmitter, pressure switch, pressure transmitter, methane sensors, air controller, air elf and so on. Customers will see more exciting new products and solutions at Viewpu.