If you use PVC board to be a simple cylinder, then there is a piece of mouth that piece, how can we avoid it?
With the injection molding process! It will not happen
Welding with PVC electrode can be
Directly to find a suitable diameter PVC pipe more peace of mind? The Two with a PVC board to be a plug to seal the PVC pipe, pay attention to the slope will be made on the edge of the splicing on the beautiful. So there is no seam on the cylinder.
