Grandson gear Technologies co. was establishied in 2001 with tredding transmission pooducts .than we are menufecturing worm reduction gear boxes as 1.125" to 12.00" centre with ratio 5:1 to 70:1 ,Our other poroducts are Gear Motor, Helical Gear Boxes. Crane Duty Gear Boxes, Special Chain Sprockets.And All types all designed gear, as per customer requirement.We have long history in this supply high quality and rock bottam price poroducts. Fell free to contect us by phone, Fax Or email, and for more information on our pooducts and services we always suppot you. We look forward to hearing from you.