Mangocity.biz is the professional company underChina Travel Service (Holding) Hong Kong Ltd that provides travel management services and the exclusive partner in China and Hong Kong for one of the biggest corporate travel management network companies in the world ¨C GSM. Taking advantages of the holding company's strong international network and brand name, plus the strong groupage of corporate travel management companies over 30 countries of GSM, our global network and total solution proposals will benefit our customers


Global Specialist Markets (GSM) is a global travel partnership made up of leading independent travel management companies from over 25 countries around the world. Each GSM partner is an expert in their local marketplace. They also receive the same client brief and profiles and ensure that all expectations are fulfilled to the highest standards. Though GSM, Courtesy of consolidated global management information (MI) and a dedicated global account management structure, clients can introduce a global programme with whatever degree of control they require. And especially with hotels, and ensures that all deals & policies are supported to maximise performance and savings. With the local knowledge and expertise of our partners, our clients¡¯ global programmes will be tweaked to reflect local conditions and to achieve that all important ¡®buy-in¡¯ from local personnel.

China Travel Service (Holding) Hong Kong Ltd Global Network provides the comprehensive quality services via 18 agency branches operating in 14 countries in Asia, Europe and North America.

GSM website: http://www.gsm-partners.com