Qingdao Daoyikongyou Technology Co., Ltd., established on 2010-07-08, The business scope includes oxygen equipment,Plateau oxygen generator,Plateau air separation plant,Large air separation plant,air purification equipment,air optimization equipment,air optimization system,Air disinfection equipment,Vehicle purification equipment,Fresh air system,fan,motor,Air compressor,R&D, production and sales of packaging equipment,household appliances,electronic product,Hardware and building materials sales,R&D of medical devices,Production,Sales and after-sales service(Engage in business activities in accordance with the license issued by the food and drug supervision and management department),Construction,Import and export of goods and technology(Except for items prohibited by national laws and regulations,Projects restricted by laws and regulations can be operated after obtaining a license),Internet information consulting and technical services,e-commerce(law,prohibited by law,Not allowed to operate;subject to approval,Do not operate without approval;law,Approval not stipulated by regulations,Carry out business activities independently),Network Engineering Construction,design,make,acting,Post domestic advertisements,drone sales,Audio and video integration engineering,computer systems engineering,Security Engineering,Fire Engineering,Communication Engineering,Design of pipeline installation and supporting works,Construction and Maintenance,Municipal public works,Landscaping project(The above projects are engaged in business activities in accordance with the license issued by the competent industry department).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)