IS THERE A MINIBUS FROM HKIA TO SHENZHEN

THAT YOU DON'T HAVE TO GET OFF AT THE BORDER FOR IMMIGRATION
ADULTS ARE TRAVELLING TO SHENZHEN FLYING TO HKIA IN FEB'15 AND AS WERE BOTH HAVE MOBILITY DISABILITIES WE WOULD LIKE TO GET A MINIBUS FROM THE AIRPORT TO SHENZHEN SO THAT WE DON'T HAVE TO ALIGHT AT IMMIGRATION. COULD SOMEONE TELL ME THE NAME OF THE MINIBUS COMPANY PLEASE? THANK YOU.