● G&G's roller shell use the high-quality refining ingot to make sure the forgings compact structure.Hundreds of tons inventory also ensures G&G's nimble and rapid reaction to the maeket.

● Independent refined of high-quality wear-resisting special steel,making the necessary precheck to each furnace material and grain size analysis after forging to guarantee the stable excellent quality.

● Special heat treatment to make the depth of 5MM of hardness 50HRC at the surface of the roller shell.

● Every product,each dimension,each hardness is seriously full inspected

● According to customers' requirement,we can supply the straight tooth,helical tooth,surface punching and the tooth punching combined model,etc;We can supply the high-quality stainless steel roller shell,special anti-abrasion steel roller shell,etc;We can supply the feed roller shell,sawdust roller shell,fine chemical roller shell,biomedical roller shell.Different requirement of the customer is heat treated by different conditions:carburization,high and moderate frequency induction and special heat-treatment.