With major customers being global companies observing obligations in the international community, Roo Hsing conducts business with suppliers mainly through international trade. In any event that a supplier doubtfully violates corporate social responsibility, communication to find out the truth will be initiated. Once such violation causing significant impacts on the environment and society is confirmed, Roo Hsing will terminate business relationship with that supplier. During the approval of new suppliers, in addition to credit checking, past records, including but not limited to environmental impacts, labor rights and social issues, will also be checked. Only eligible ones will be included in the list of qualified suppliers.