Rongshi group covers an area of 90000 square meters, with a total investment of 120 million yuan. It has two air-conditioning production lines, two fan production lines and two fan coil production lines. The company has a laboratory area of 300 square meters, equipped with a number of production experiment analysis and testing equipment, and built a fan testing center and air conditioning testing center, which can meet the research and testing work of fire-fighting smoke exhaust, fan coil and other series of products 。 Rongshi group carried out innovative research work and jointly carried out key technology research of fire smoke exhaust fan. The company’s hardware and software facilities and innovation ability are at the leading level in the industry, providing good conditions for the research and development of fire smoke exhaust fan and scientific and technological innovation, and providing sufficient resources and support for the research and development of fire smoke exhaust fan. The company’s main products include: central air conditioning host equipment, fan coil, purification air conditioning unit, purification fresh air equipment, 3C fire smoke ventilation equipment, motor