you can take KMB Bus No.258D to 屯門陳黃淑芳紀念中學
Get on Point:九龍灣鐵路站
Get off Point:中電
Fee:$14.7
Times:80 mins(not including the waiting times)
KMB Bus No.258D Information:
http://www.kmb.hk/chinese.php?page=search&prog=route_no.php&route_no=258d
Or you can take MTR Kwun Tongline from Kowloon Bay to Prince Edward Station and change Tsuen Wan line to Mei Foo Station and change West Rail line to Siu Hong Station and change light rail route no.610,615 or 615P to Shek Pai light rail stop
Fee:$18.5/$9.1(for Octopus)
$24/$11.5(for single ride ticket)
Times:57 mins(not including the waiting times)
Hope above information can help you!