Qingdao Yigao Air Conditioning Co., Ltd. is a high-tech private enterprise specializing in the R&D, manufacture, sale and maintenance of evaporative air coolers. With joint efforts of all staff members, our company has imported advanced design and manufacture techniques from Canada. Now we produce "Hailan" evaporative air coolers with disposable molded plastic shells, which are solid and durable. Our products completely solve the past problems of corrosion and aging, and the life of our products extends to 20 years. Our products can work stably and efficiently in a variety of adverse weather conditions and complex environments. Hailan products have passed ETL certification, and are exported to Europe, America and other regions. They are widely used in the industrial and agricultural field, and are endorsed unanimously by customers at home and abroad for excellent quality and performance. We have been dedicated to creating a cool, healthy and beneficial environment and helping customers reduce energy consumption and cost to achieve greater efficiency. We uphold the concept of scientific production and operation, and constantly strive for perfection. "High-Quality Products, Efficient Service, Integrity and Innovation" is our eternal pursuit.