Price of opening method:

This method for manual inaccessibility and disassembly is more difficult to use this method of flue, technicians use special non-sparking opening tool will be one side of the pipeline or more than one side of the opening, opening the size, distance, the number of holes according to the site conditions, grease cleanup after the pipeline will be sealed and restored. Reference price: 70 ~ 100 yuan / square meter

Machinery and equipment cleaning price:

For less oil, cleaning cycle of the short flue using this method of cleaning, first of all, will be sprayed inside the pipeline cleaning agent, so that the oil is softened, and then 30 meters long motorized flexible axle brush will be brushed clean oil. This method is used in 30cm square vertical flue, artificial inaccessible and inconvenient to dismantle the hidden small flue. This is not easy to clean and easy to accumulate oil to shorten the cleaning cycle. Reference price: 20 ~ 30 yuan / square meter

Price from the network, for reference only.