Beijing Hong Sheng Tian Qi Scientific Co., Ltd is a high technical enterprise which gathers R&D. Producing\selling & act as behalf of electrical heater and providing professional technical service...The company occupies an area of more than 30 thousand square meters, the plan occupies a area reaches 100 mu, technical personnel reaches 500. Wenjia series electrical heater which is developed by ourselves win more than 30 national patents, the approval of "China Compulsory Certification"(CCC), "daily articles recognized by consumers "by China consumer right protection fund committee and" China guaranteed quality trademark", and it has passed the entire testing by "national home appliances testing center of China commission of conformity certification of electrical equipment" "National IR" "Industrial electric heating products quality supervision and testing center". The goods with unique design, super thin outward, colorful, multiple series and species, it can satisfy the needs with vary purpose and differ spatial, and complete a set with international advanced equipments, such as smart thermostat, programmable thermostat, cell phone remote control system, PC central control system.