according to the current tax policy in China, no matter in Nanhai New District of Weihai or other areas, you need to pay corresponding taxes and fees to open hotels. Weihai Nanhai New District, as a pilot free trade zone, may have special tax policies for some industries, but the information I know does not mention that the catering industry enjoys tax exemption policies. It is suggested that you consult the local tax authorities or professional accounting firms to obtain more detailed and accurate information.