According to the query trademark network, the trademarks of six rooms in Qingdao have been in an invalid state. The companies in the market are all fake, and they are not the same company as the large durian workshop company. The project corresponding to Qingdao Durian Workshop is a scam, mainly to earn franchise fees. Cutting leeks refers to harvesting the public's capital in a commercial way. The joining way of invalid companies is this business model, so it belongs to cutting leeks.

Franchising is an enterprise organization, or a continuous contractual relationship between franchise chain headquarters and franchise stores. According to the contract, unique business privileges must be provided.