Demand for taxi service in Shenzhen is high during rainy days, peak hours (6.00am to 9.30am and 6.00pm to midnight), weekend and public holidays.  It is also difficult to find a taxi station on street.  There is not a taxi hotline of English service in Shenzhen.  For people who prefer to reserve everything in order ahead of time, this pre-booking service is what you are looking for.  Price is inclusive of all charges such as peak hour charges, midnight charges, city area surcharge, toll and parking fees.