This machine adopts imported food grade rotor pump. The design of injection needle and circulation filtration system is scientific, so that the injection can fully penetrate into the meat block tissue, and bone injection (using Φ5mm needle) can achieve tenderization effect and shorten rolling time. The machine is reasonable in structure, easy to use and easy to clean. It is an essential equipment for Chinese-style meat products such as Western-style ham, Tongji ham and bacon barbecue.