Hanson Cheah

PRTM Management Consultants LLC provides management consulting services. It offers operational strategy consulting, supply chain management, product and service development, and customer value management services. The company was founded in 1976 and is headquartered in Waltham, MA.

Shangh Changshou International Travel Co. Ltd. is the pioneer of the online travel industry in China. As a leading online travel agency, it truly empowers travelers to directly book the full range of China & International flights and hotels via the Internet. In contrary to traditional travel industry players, the company's advanced booking system promises real-time availability, 100% real prices, secure online payment and instant confirmations to bookings that travelers make. Shangh Changshou International Travel Co. Ltd. brings the advanced online travel booking system into full play since it started operating in early 2009. Travelers can search real-time flights, accommodation and themed-holiday packages online without any boundaries.