Section 9 - Directory of Hong Kong Transport Subsection 2 : Transport Operator's / Workers' Associations Public Bus Associations Hong Kong Guangdong Boundary Crossing Bus Association Room 1701-02, Hong Kong Pacific Centre, 28 Hankow Road, Tsimshatsui, Kowloon Tel  : 2721 5522 Fax : 2721 2240 Secretary : Mr. Sammy Chow China Hong Kong and Macau Boundary Crossing Bus Association Unit B, 7/F, Hing Wah Commercial Building, 450-454 Shanghai Street, Kowloon Tel  : 2782 0738 Fax : 2782 0935 Secretary : Mr. Alan Chan Public Omnibus Operators Association Ltd. Unit B, 7/F, Hing Wah Commercial Building, 450-454 Shanghai Street, Kowloon Tel  : 2782 0911 Fax : 2782 0935 Chairman : Mr. Aaron Yeung Non-franchise Public Bus Association Flat B-C, 22/F, GO-UP Commercial Building, 998 Canton Road, Mongkok, Kowloon Tel  : 2690 1980 Fax : 2690 1691 Chairman : Mr. Cho Pui-sum Non-franchised Public Buses Workers Association Flat E, 5/F, Cheung Shing Building, 1-5 Cheung Sha Wan Road, Kowloon Tel  : 2776 7232 Fax : 2387 2197 Chairman : Ms. So Po-lin, Katherina Motor Transport Workers General Union Non-franchised Bus Branch 2/F, Independent Building, 499-501A Nathan Road, Kowloon Tel  : 2782 6630 Fax : 2384 0835 Director : Mr. Leung Sai-wah 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