How to enjoy the preferential policy of halving the "six taxes and two fees"? A set of diagrams teaches you How to enjoy the preferential policy of halving the "six taxes and two fees"? A set of diagrams teaches you How to enjoy the preferential policy of halving the "six taxes and two fees"? A set of diagrams teaches you How to enjoy the preferential policy of halving the "six taxes and two fees"? A set of diagrams teaches you How to enjoy the preferential policy of halving the "six taxes and two fees"? A set of diagrams teaches you How to enjoy the preferential policy of halving the "six taxes and two fees"? A set of diagrams teaches you How to enjoy the preferential policy of halving the "six taxes and two fees"? A set of diagrams teaches you How to enjoy the preferential policy of halving the "six taxes and two fees"? A set of diagrams teaches you How to enjoy the preferential policy of halving the "six taxes and two fees"? A set of diagrams teaches you How to enjoy the preferential policy of halving the "six taxes and two fees"? A set of diagrams teaches you How to enjoy the preferential policy of halving the "six taxes and two fees"? A set of diagrams teaches you