seamless stainless steel tube pressure rating 

240# Grinding of fine lines The NO.2D or NO.2B processing timber 240 polishing abrasive grinding belt Kitchen appliances 320# More than 240 lines of grinding The NO.2D or NO.2B processing timber 320 polishing abrasive grinding belt Kitchen appliances 400# Close to BA luster The MO.2B timber 400 polishing wheel polishing method Building materials, kitchen utensils