Section 9 - Directory of Hong Kong Transport Subsection 2 : Transport Operator's / Workers' Associations School Transport Associations School Buses Operators Association Ltd. P.O. Box 44104, Shau Kei Wan Post Office, Hong Kong Tel : 9193 7138 Fax  : 3156 4128 Chairlady : Ms. Wong Yuk-lin Motor Transport Workers General Union Non-franchised Bus Branch School Children Vehicle Section 2/F, Independent Building, 499-501A Nathan Road, Kowloon Tel : 2782 6630 Fax  : 2384 0835 Director : Mr. Leung Sai-wah