website:https://www.jhmindustry.com/
Shanghai Jian & Mei Industry and Trade Co., Ltd. is the company which manufacture and export fasteners and metal hardware, founded in 2006, with import-export authority. Now, 80% products export to all over the world and 20% sell in domestic market.
this is the paper shredder i made,i take the shaft and welded 4 flat steel plates with teeth cut off,then i take another plate with oposite teeth and welded on frame,i remove protection cover just to show you how this works,i am still using my diesel engine to power this shredder,now i dont have to shredd paper by hands,it is fast shredder,thnx for watching