The Dongguan LanHao ventilation cooling Equipment Co., Ltd is the specialty manufacturing negative pressure air blower, the temperature decrease water screen, the draft equipment as well as continues the workshop earation cooling the project's enterprise, the company produces the glass fiber reinforced plastic negative pressure type air blower, the water screen falls the warm and damp lian, regarding the workshop earation cooling, the temperature decrease dust removal, the elimination air unusual smell, workshop a row of smog, improves the air quality to have the good potency, the LanHao negative pressure air blower, fell the warm and damp inexpensively already widely to apply in the industry workshop temperature decrease, the Internet bar earation cooling, modelled the material casting earation cooling, the motor repair maintenance earation cooling, the petroleum chemical industry earation cooling, the baking varnish galvanization earation cooling, the physical distribution warehousing earation cooling, the gardening greenhouse ventilates the temperature decrease, domains and so on public utility earation cooling.