China's vast territory, the geographical differences between the north and south, resulting in temperature and humidity changes in the north and south are also very different, in the south of China, the spring and summer rains are relatively more, the relative humidity is also relatively large. In the daily production of factories and enterprises, when raw materials and finished products encounter the relative humidity in the air, than the processing process, warehouse storage requirements of the relative humidity standard is high, raw materials or finished products will appear moisture absorption, thus causing different degrees of impact and harm to the quality of production of raw materials or finished products. For example, food, medicine, wood, paper, textiles and other susceptible to moisture mold deterioration, and electronic appliances, machinery and equipment, as well as hardware and tools, moisture, it is easy to short-circuit leakage, oxidation and rust problems.

Guangzhou Dongao Electrical Co., Ltd. was founded in 2006, the registered trademark "Parkoo 百奥", is a professional manufacturer of environmental electrical appliances and industrial air conditioning. The main products are the portable air conditioner, fresh air purification dehumidifier system, household dehumidifier, industrial dehumidifier, precision air-conditioning, energy-saving drying equipment, and other products.

Over the years, Parkoo with stunning design concepts and exquisite manufacturing process, to provide customers with high-quality temperature and humidity control products and solutions, suitable for all areas of home, commercial and industrial applications, significantly improve the production and living environment, won the unanimous recognition of customers.