The stainless steel heat preservation bottle inner wall has water swollen stainless steel heat preservation bottle inner wall and stretched stainless steel heat preservation bottle inner wall.Stainless steel water bottle manufacturer for your detailed introduction
The stainless steel insulation bottle inner wall is made of stainless steel pipe and extruded by high water pressure through the water swelling machine. The stainless steel insulation bottle inner wall of this process will have a welding seam on the surface.

The stretched stainless steel insulation bottle is to stretch the stainless steel sheet into the shape of the stainless steel insulation bottle inner wall after several times of stretching. The inner surface of stainless steel insulation bottle with this process is flat without welding seam.

The difference between the water rising stainless steel insulation bottle inner wall and the stretched stainless steel insulation bottle inner wall is that the water rising stainless steel insulation bottle inner wall has a welding seam, while the stretched stainless steel insulation bottle inner wall has no welding seam. The stretched stainless steel insulation bottle inner wall will look more beautiful than the water rising stainless steel insulation bottle inner wall, but the processing cost of the stretched stainless steel insulation bottle inner wall will be higher than the water rising stainless steel insulation bottle inner wall.
The stainless steel thermos bottle inner wall of the water bottle is generally treated in the following two ways. If it is an ordinary coffee pot, polishing tools can be used to treat the stainless steel thermos bottle inner wall of the container. If it is a heat preservation cup, the stainless steel heat preservation bottle inner wall of the bottle will be subject to electrolytic treatment. Electrolysis is divided into ordinary electrolysis and bright electrolysis. The two electrolysis methods have the same corrosion resistance strength. The difference is that the stainless steel heat preservation bottle inner wall of the bottle after high brightness electrolysis will be brighter than that of the stainless steel heat preservation bottle inner wall of the bottle after different electrolysis.
For guests who emphasize the thermal insulation performance, a layer of copper is coated on the outer layer of the stainless steel thermal insulation bottle inner wall, which can greatly improve the thermal insulation performance of the stainless steel thermal insulation cup.