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Sunree Technology Corporation is located in the beautiful city of Dalian at the southern tip of the Liaodong Peninsula. It is a leading company in the research, development and sales of gas-fired radiant heating products. We are committed to provide customers with products that are energy efficient, technically advanced, and stable and reliable in performance, and  comprehensive after-sales service. Sunree has independent property rights of a low-intensity infrared heater. it not only can be used to tall building, such as industrial plants, stadiums, green house, chicken farm or animal house, warehouses, air hangar, commercial sites, but also can be used to heat many small mechanical workshops, supermarket entrances, car wash bay, truck, train and ship loading decks, repair shops, etc.


Sunree is the exclusive Chinese representative of Absolutaire Inc. in USA. Absolutaire is a leading manufacturer of air handlers that are widely used in sewage treatment plants, welding workshop, casting workshop, painting room, dusty environment (logistics, packaging and distribution), processing workshops, electroplating factories, kitchen ventilation, warehouses, and other places.


 Ouderui industrial energy-saving equipment (Dalian) Co., Ltd. was the predecessor of Sunree, Ouderui was the Chinese sales agent of Roberts-Gordon, LLC and Rapid Engineering in USA. Roberts-Gordon LLC was one of the earliest and largest manufacturers of infrared radiant heaters in the United States. Its subsidiary Rapid Engineering was one of the leading manufacturers of high-quality air handlers in the United States. For a long time, we have sold a lot of Roberts-Gordon low-intensity infrared heaters in Beijing, Hebei, Inner Mongolia, Liaoning, Jilin and Heilongjiang, we also introduced air handlers from Rapid Engineering to China. In these activities, we completed many projects successfully and gained excellent reputation.


In the process of selling foreign infrared heaters, Sunree has accumulated a lot of experience about the low-intensity infrared heaters, we have profound understanding of the advantages and shortcomings of foreign infrared heaters applied in domestic environments. On this basis, we have invited an American expert with many years of experience in the development of infrared heaters to cooperate with our engineers, we designed and tested our first low-intensity infrared heaters. In the development process, using United States and Canada standards ANSI Z83.20-2008 / CSA23.34-2008, Z83.20a-2010 / CSA 2.34a-2010, Z83.20b-2011 / CSA2.34b-2011 and CE standards BS EN 416-1: 2009, 416-2: 2006 and  domestic standard CJ / T 113-2015 as guide, we tested our design of this low-intensity infrared heater for many times. Using a large number of foreign brand-name components, our excellent design not only to simplified the complicated structure in foreign products which causes the difficulty in installation and maintenance, and the combustion efficiency of the heater is higher than the similar products by 5%, also it increases the uniformity of radiation intensity along the direction of radiation tube. Our products have successfully passed the CE certification, and the product is named as Smart Warm. After the CE certification, we have conducted research and improvement on the production of each component and its quality, we arranged a strict testing in the production of Smart Warm to guarantee its high quality, ensuring Smart Warm to be the best among low intensity infrared heaters at home and abroad. Smart Warm has now entered the production and marketing phase.


Infrared radiation heating is the direction of the product research and development in Sunree, we will provide more and better infrared radiation products worldwide.


) in USA. Absolutaire was founded in early 1991. The company employs about 100 people, with an operating area of 7,100 square meters, the annual production of air handlers are more than 1,500 units. It is the largest air handler production base in North America. It produces a full range of air handlers with advanced technology, it is one of the best companies in this field in USA.


The products from Absolutaire include six major series and several other specialized series, which provide customers with the best HVAC and refrigeration technology, and reliable and concise solutions, Absolutaire combines the innovation, quality and perfect after-sales service together perfectly. These products include 100% efficient direct-fired technology, and all models are available with ETL Certification to current ANSI standards. The products have 90-Day labor, Two-Year Parts Limited Warranty.


The following diagram is a brief description of the applications and features of the company's products.