We mainly manufactures German, American and English standards carbon steel ,stainless steel,and brass threaded rods.The g rades include DIN975 4.6,DIN975 4.8,DIN975 5.8,DIN975 6.8,DIN975 8.8,DIN975 10.9,U.S Class 2, Class5, 8, SS201 ,SS304 , SS31 6. The length of American and English standard can reach 144 inches, and for German standard, it can reach 6 meters,Specifications from the German-made 3mm to 56mm, British and American-made from 1 / 8-2.