Shanghai SUNNY-HVAC Refrigeration Equipment Co., Ltd. is a company engaged in refrigeration equipment development, design, production, sales and installation of high-tech enterprises. In the early 21st century, SUNNY-HVAC set up factory in Fengxian District Shanghai and adopt foreign advanced technology which specialize in professional design of military electrical and refrigeration and cooling products. After nearly two decades of development SUNNY-HVAC has become industrial refrigeration, civilian air-conditioning manufacturing experts, "P, T, C, Q, S" (people, technology, cost, quality, service) theory and practice created SUNNY-HVAC a leading position in the industry, but also the core competitiveness lies the company's development, the development of refrigeration equipment and control systems are widely used around the world.

At present, SUNNY-HVAC developed water-cooled screw chillers, low temperature water cooled screw unit, evaporative chillers, flooded chillers, air cooled screw chiller, air cooled heat pump units, air-cooled box type unit, water cooled box unit. They have been widely used in chemical industry, chemical fiber, plastics, oil, food, pharmaceutical, military, printing, painting, plating, electronics and other industries. The refrigeration technology has provided a guarantee of efficiency and quality for the rapid development of Chinese industry.