The drainage pipe dredging powder bought by Metro is pressed and then turned on. Tongqu powder is a strong alkaline decontamination Tongqu powder, which is a powerful alkaline dredging cleaner. It is suitable for catering service institutions such as hotels, restaurants and restaurants. It can effectively remove oil stains, dissolve domestic garbage, remove pipeline stains and other white powders, effectively remove grease and stubborn oil stains from sewers, decompose and corrupt plant fibers, and unblock pipelines.