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[ ISO 14001 and ISO 9001 ] 

ISO 14001:2015 is an international standard for environmental management systems(EMS) and is a major management system 

standard that specifies requirements for the composition and maintenance of environmental management system. 

Many companies in Korea are getting certifications for their organization's environmental management, 

and more than 250,000 certificates are issued worldwide.

The certification process involves a rigorous examination of various items,

ISO certification is sufficient to provide significant benefits to organizations within any industry or sector,

 and provides a specific basis for carrying out relevant sustainable practices.

WTA will always look to the future and reward you with innovative technologies.