Dongguan Rui Tian Electrical Technology Co., Ltd. is a Chinese high-tech enterprises combine with R&D , produce, sales, we devote ourselves to give the world the most professional Air Knife Drying and solution systems to meet specific applications needs while maximizing energy efficiency and lowering operating costs. Our brand "Raetts" high speed centrifugal blower is widely used in semiconductor electronics, food and medicine, beverage, automotive industry, sewage treatment, pneumatic conveying, ultrasonic cleaning and other industries around the world and we have helped more than ten thousand enterprises to improving competition.