Established in 2009, Zhongshan Nussun Mechanical & Electrical Technology Co., Ltd. specializes in producing all kinds of ventilators. Located in Zhongshan City of Guangdong Province, we enjoy a comfortable environment and convenient transportation access.Covering an area of 3,000 square meters, our factory is equipped with performance testing machines and a noise testing room, and operates under strict QC guidelines to guarantee high-quality products at competitive prices. We also deal in high-quality energy recovery ventilators and accessories. Our products conform to international standards, such as CE & GS. Meanwhile, OEM and ODM orders are welcome.We are sure that our high quality products and excellent services will be appreciated by the growing list of satisfied customers. Contacting us is the first step to build a long and successful business relationship with us.